Home / 99,641.17-149,489.10-49,660.93

Finding the Fourth Proportional to 99,641.17, 149,489.10 and 49,660.93

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Solution

The fourth proportional to 99,641.17, 149,489.10 and 49,660.93 is: 74,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,641.17 : 149,489.10 = 49,660.93 : x
  2. Step 2: Convert to fraction form
    99,641.17/149,489.10 = 49,660.93/x
  3. Step 3: Cross multiply
    99,641.17x = 149,489.10 × 49,660.93
  4. Step 4: Simplify right side
    99,641.17x = 7,423,767,730.86
  5. Step 5: Solve for x
    x = 7,423,767,730.86/99,641.17
  6. Step 6: Final answer
    x = 74,505.02

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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.