Home / 89,243.20-133,830.68-30,062.96

Finding the Fourth Proportional to 89,243.20, 133,830.68 and 30,062.96

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Solution

The fourth proportional to 89,243.20, 133,830.68 and 30,062.96 is: 45,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,243.20 : 133,830.68 = 30,062.96 : x
  2. Step 2: Convert to fraction form
    89,243.20/133,830.68 = 30,062.96/x
  3. Step 3: Cross multiply
    89,243.20x = 133,830.68 × 30,062.96
  4. Step 4: Simplify right side
    89,243.20x = 4,023,346,379.61
  5. Step 5: Solve for x
    x = 4,023,346,379.61/89,243.20
  6. Step 6: Final answer
    x = 45,082.95

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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.