Home / 89,909.29-124,073.13-49,620.70

Finding the Fourth Proportional to 89,909.29, 124,073.13 and 49,620.70

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Solution

The fourth proportional to 89,909.29, 124,073.13 and 49,620.70 is: 68,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.29 : 124,073.13 = 49,620.70 : x
  2. Step 2: Convert to fraction form
    89,909.29/124,073.13 = 49,620.70/x
  3. Step 3: Cross multiply
    89,909.29x = 124,073.13 × 49,620.70
  4. Step 4: Simplify right side
    89,909.29x = 6,156,595,561.79
  5. Step 5: Solve for x
    x = 6,156,595,561.79/89,909.29
  6. Step 6: Final answer
    x = 68,475.63

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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.