Home / 71,532.32-98,716.12-39,700.13

Finding the Fourth Proportional to 71,532.32, 98,716.12 and 39,700.13

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Solution

The fourth proportional to 71,532.32, 98,716.12 and 39,700.13 is: 54,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,532.32 : 98,716.12 = 39,700.13 : x
  2. Step 2: Convert to fraction form
    71,532.32/98,716.12 = 39,700.13/x
  3. Step 3: Cross multiply
    71,532.32x = 98,716.12 × 39,700.13
  4. Step 4: Simplify right side
    71,532.32x = 3,919,042,204.26
  5. Step 5: Solve for x
    x = 3,919,042,204.26/71,532.32
  6. Step 6: Final answer
    x = 54,787.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.