Home / 89,860-134,766.91-26,665.17

Finding the Fourth Proportional to 89,860, 134,766.91 and 26,665.17

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Solution

The fourth proportional to 89,860, 134,766.91 and 26,665.17 is: 39,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,860 : 134,766.91 = 26,665.17 : x
  2. Step 2: Convert to fraction form
    89,860/134,766.91 = 26,665.17/x
  3. Step 3: Cross multiply
    89,860x = 134,766.91 × 26,665.17
  4. Step 4: Simplify right side
    89,860x = 3,593,582,565.52
  5. Step 5: Solve for x
    x = 3,593,582,565.52/89,860
  6. Step 6: Final answer
    x = 39,990.90

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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.