Home / 89,694.39-134,572.65-39,809.43

Finding the Fourth Proportional to 89,694.39, 134,572.65 and 39,809.43

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Solution

The fourth proportional to 89,694.39, 134,572.65 and 39,809.43 is: 59,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,694.39 : 134,572.65 = 39,809.43 : x
  2. Step 2: Convert to fraction form
    89,694.39/134,572.65 = 39,809.43/x
  3. Step 3: Cross multiply
    89,694.39x = 134,572.65 × 39,809.43
  4. Step 4: Simplify right side
    89,694.39x = 5,357,260,490.09
  5. Step 5: Solve for x
    x = 5,357,260,490.09/89,694.39
  6. Step 6: Final answer
    x = 59,727.93

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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.