Home / 99,569.54-149,381.97-43,414.55

Finding the Fourth Proportional to 99,569.54, 149,381.97 and 43,414.55

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Solution

The fourth proportional to 99,569.54, 149,381.97 and 43,414.55 is: 65,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,569.54 : 149,381.97 = 43,414.55 : x
  2. Step 2: Convert to fraction form
    99,569.54/149,381.97 = 43,414.55/x
  3. Step 3: Cross multiply
    99,569.54x = 149,381.97 × 43,414.55
  4. Step 4: Simplify right side
    99,569.54x = 6,485,350,258.75
  5. Step 5: Solve for x
    x = 6,485,350,258.75/99,569.54
  6. Step 6: Final answer
    x = 65,133.88

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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.