Home / 74,034.74-111,052.11-21,444.24

Finding the Fourth Proportional to 74,034.74, 111,052.11 and 21,444.24

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Solution

The fourth proportional to 74,034.74, 111,052.11 and 21,444.24 is: 32,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034.74 : 111,052.11 = 21,444.24 : x
  2. Step 2: Convert to fraction form
    74,034.74/111,052.11 = 21,444.24/x
  3. Step 3: Cross multiply
    74,034.74x = 111,052.11 × 21,444.24
  4. Step 4: Simplify right side
    74,034.74x = 2,381,428,596.21
  5. Step 5: Solve for x
    x = 2,381,428,596.21/74,034.74
  6. Step 6: Final answer
    x = 32,166.37

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.