Home / 89,385.93-134,035.56-51,956.78

Finding the Fourth Proportional to 89,385.93, 134,035.56 and 51,956.78

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Solution

The fourth proportional to 89,385.93, 134,035.56 and 51,956.78 is: 77,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,385.93 : 134,035.56 = 51,956.78 : x
  2. Step 2: Convert to fraction form
    89,385.93/134,035.56 = 51,956.78/x
  3. Step 3: Cross multiply
    89,385.93x = 134,035.56 × 51,956.78
  4. Step 4: Simplify right side
    89,385.93x = 6,964,055,432.92
  5. Step 5: Solve for x
    x = 6,964,055,432.92/89,385.93
  6. Step 6: Final answer
    x = 77,909.97

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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.