Home / 89,827.84-134,593.97-71,227.36

Finding the Fourth Proportional to 89,827.84, 134,593.97 and 71,227.36

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Solution

The fourth proportional to 89,827.84, 134,593.97 and 71,227.36 is: 106,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827.84 : 134,593.97 = 71,227.36 : x
  2. Step 2: Convert to fraction form
    89,827.84/134,593.97 = 71,227.36/x
  3. Step 3: Cross multiply
    89,827.84x = 134,593.97 × 71,227.36
  4. Step 4: Simplify right side
    89,827.84x = 9,586,772,660.12
  5. Step 5: Solve for x
    x = 9,586,772,660.12/89,827.84
  6. Step 6: Final answer
    x = 106,723.85

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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.