Home / 99,711.32-137,592.06-54,996.44

Finding the Fourth Proportional to 99,711.32, 137,592.06 and 54,996.44

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Solution

The fourth proportional to 99,711.32, 137,592.06 and 54,996.44 is: 75,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,711.32 : 137,592.06 = 54,996.44 : x
  2. Step 2: Convert to fraction form
    99,711.32/137,592.06 = 54,996.44/x
  3. Step 3: Cross multiply
    99,711.32x = 137,592.06 × 54,996.44
  4. Step 4: Simplify right side
    99,711.32x = 7,567,073,472.27
  5. Step 5: Solve for x
    x = 7,567,073,472.27/99,711.32
  6. Step 6: Final answer
    x = 75,889.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.