Home / 89,917.84-134,781.86-29,930.16

Finding the Fourth Proportional to 89,917.84, 134,781.86 and 29,930.16

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Solution

The fourth proportional to 89,917.84, 134,781.86 and 29,930.16 is: 44,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.84 : 134,781.86 = 29,930.16 : x
  2. Step 2: Convert to fraction form
    89,917.84/134,781.86 = 29,930.16/x
  3. Step 3: Cross multiply
    89,917.84x = 134,781.86 × 29,930.16
  4. Step 4: Simplify right side
    89,917.84x = 4,034,042,634.90
  5. Step 5: Solve for x
    x = 4,034,042,634.90/89,917.84
  6. Step 6: Final answer
    x = 44,863.65

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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.