Home / 45,519.44-68,279.16-14,357.12

Finding the Fourth Proportional to 45,519.44, 68,279.16 and 14,357.12

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Solution

The fourth proportional to 45,519.44, 68,279.16 and 14,357.12 is: 21,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,519.44 : 68,279.16 = 14,357.12 : x
  2. Step 2: Convert to fraction form
    45,519.44/68,279.16 = 14,357.12/x
  3. Step 3: Cross multiply
    45,519.44x = 68,279.16 × 14,357.12
  4. Step 4: Simplify right side
    45,519.44x = 980,292,093.62
  5. Step 5: Solve for x
    x = 980,292,093.62/45,519.44
  6. Step 6: Final answer
    x = 21,535.68

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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.