Home / 99,462.53-149,253.69-36,288.20

Finding the Fourth Proportional to 99,462.53, 149,253.69 and 36,288.20

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Solution

The fourth proportional to 99,462.53, 149,253.69 and 36,288.20 is: 54,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,462.53 : 149,253.69 = 36,288.20 : x
  2. Step 2: Convert to fraction form
    99,462.53/149,253.69 = 36,288.20/x
  3. Step 3: Cross multiply
    99,462.53x = 149,253.69 × 36,288.20
  4. Step 4: Simplify right side
    99,462.53x = 5,416,147,753.46
  5. Step 5: Solve for x
    x = 5,416,147,753.46/99,462.53
  6. Step 6: Final answer
    x = 54,454.15

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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.