Home / 87,592.25-131,471.45-54,211.34

Finding the Fourth Proportional to 87,592.25, 131,471.45 and 54,211.34

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Solution

The fourth proportional to 87,592.25, 131,471.45 and 54,211.34 is: 81,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.25 : 131,471.45 = 54,211.34 : x
  2. Step 2: Convert to fraction form
    87,592.25/131,471.45 = 54,211.34/x
  3. Step 3: Cross multiply
    87,592.25x = 131,471.45 × 54,211.34
  4. Step 4: Simplify right side
    87,592.25x = 7,127,243,476.24
  5. Step 5: Solve for x
    x = 7,127,243,476.24/87,592.25
  6. Step 6: Final answer
    x = 81,368.43

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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.