Home / 89,422.24-123,403.06-49,136.88

Finding the Fourth Proportional to 89,422.24, 123,403.06 and 49,136.88

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Solution

The fourth proportional to 89,422.24, 123,403.06 and 49,136.88 is: 67,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,422.24 : 123,403.06 = 49,136.88 : x
  2. Step 2: Convert to fraction form
    89,422.24/123,403.06 = 49,136.88/x
  3. Step 3: Cross multiply
    89,422.24x = 123,403.06 × 49,136.88
  4. Step 4: Simplify right side
    89,422.24x = 6,063,641,350.85
  5. Step 5: Solve for x
    x = 6,063,641,350.85/89,422.24
  6. Step 6: Final answer
    x = 67,809.10

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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.