Home / 74,154.98-111,231.51-17,995.50

Finding the Fourth Proportional to 74,154.98, 111,231.51 and 17,995.50

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Solution

The fourth proportional to 74,154.98, 111,231.51 and 17,995.50 is: 26,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154.98 : 111,231.51 = 17,995.50 : x
  2. Step 2: Convert to fraction form
    74,154.98/111,231.51 = 17,995.50/x
  3. Step 3: Cross multiply
    74,154.98x = 111,231.51 × 17,995.50
  4. Step 4: Simplify right side
    74,154.98x = 2,001,666,638.21
  5. Step 5: Solve for x
    x = 2,001,666,638.21/74,154.98
  6. Step 6: Final answer
    x = 26,993.02

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Double scale
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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.