Home / 60,691.12-91,062.18-29,118.16

Finding the Fourth Proportional to 60,691.12, 91,062.18 and 29,118.16

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Solution

The fourth proportional to 60,691.12, 91,062.18 and 29,118.16 is: 43,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691.12 : 91,062.18 = 29,118.16 : x
  2. Step 2: Convert to fraction form
    60,691.12/91,062.18 = 29,118.16/x
  3. Step 3: Cross multiply
    60,691.12x = 91,062.18 × 29,118.16
  4. Step 4: Simplify right side
    60,691.12x = 2,651,563,127.19
  5. Step 5: Solve for x
    x = 2,651,563,127.19/60,691.12
  6. Step 6: Final answer
    x = 43,689.47

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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.