Home / 99,953.28-149,863.20-40,773.04

Finding the Fourth Proportional to 99,953.28, 149,863.20 and 40,773.04

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Solution

The fourth proportional to 99,953.28, 149,863.20 and 40,773.04 is: 61,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,953.28 : 149,863.20 = 40,773.04 : x
  2. Step 2: Convert to fraction form
    99,953.28/149,863.20 = 40,773.04/x
  3. Step 3: Cross multiply
    99,953.28x = 149,863.20 × 40,773.04
  4. Step 4: Simplify right side
    99,953.28x = 6,110,378,248.13
  5. Step 5: Solve for x
    x = 6,110,378,248.13/99,953.28
  6. Step 6: Final answer
    x = 61,132.34

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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.