Home / 89,422.62-123,403.17-49,136.32

Finding the Fourth Proportional to 89,422.62, 123,403.17 and 49,136.32

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Solution

The fourth proportional to 89,422.62, 123,403.17 and 49,136.32 is: 67,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,422.62 : 123,403.17 = 49,136.32 : x
  2. Step 2: Convert to fraction form
    89,422.62/123,403.17 = 49,136.32/x
  3. Step 3: Cross multiply
    89,422.62x = 123,403.17 × 49,136.32
  4. Step 4: Simplify right side
    89,422.62x = 6,063,577,650.13
  5. Step 5: Solve for x
    x = 6,063,577,650.13/89,422.62
  6. Step 6: Final answer
    x = 67,808.10

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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.