Home / 89,523.90-134,332.92-39,638.52

Finding the Fourth Proportional to 89,523.90, 134,332.92 and 39,638.52

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Solution

The fourth proportional to 89,523.90, 134,332.92 and 39,638.52 is: 59,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,523.90 : 134,332.92 = 39,638.52 : x
  2. Step 2: Convert to fraction form
    89,523.90/134,332.92 = 39,638.52/x
  3. Step 3: Cross multiply
    89,523.90x = 134,332.92 × 39,638.52
  4. Step 4: Simplify right side
    89,523.90x = 5,324,758,136.08
  5. Step 5: Solve for x
    x = 5,324,758,136.08/89,523.90
  6. Step 6: Final answer
    x = 59,478.62

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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.