Home / 99,387.50-149,082.04-36,252.86

Finding the Fourth Proportional to 99,387.50, 149,082.04 and 36,252.86

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Solution

The fourth proportional to 99,387.50, 149,082.04 and 36,252.86 is: 54,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,387.50 : 149,082.04 = 36,252.86 : x
  2. Step 2: Convert to fraction form
    99,387.50/149,082.04 = 36,252.86/x
  3. Step 3: Cross multiply
    99,387.50x = 149,082.04 × 36,252.86
  4. Step 4: Simplify right side
    99,387.50x = 5,404,650,324.63
  5. Step 5: Solve for x
    x = 5,404,650,324.63/99,387.50
  6. Step 6: Final answer
    x = 54,379.58

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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.