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Finding the Fourth Proportional to 89,773.86, 134,660.57 and 26,598.90

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Solution

The fourth proportional to 89,773.86, 134,660.57 and 26,598.90 is: 39,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,773.86 : 134,660.57 = 26,598.90 : x
  2. Step 2: Convert to fraction form
    89,773.86/134,660.57 = 26,598.90/x
  3. Step 3: Cross multiply
    89,773.86x = 134,660.57 × 26,598.90
  4. Step 4: Simplify right side
    89,773.86x = 3,581,822,902.38
  5. Step 5: Solve for x
    x = 3,581,822,902.38/89,773.86
  6. Step 6: Final answer
    x = 39,898.28

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1.5x scale

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.