Home / 87,696.28-131,577.56-52,660.36

Finding the Fourth Proportional to 87,696.28, 131,577.56 and 52,660.36

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Solution

The fourth proportional to 87,696.28, 131,577.56 and 52,660.36 is: 79,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696.28 : 131,577.56 = 52,660.36 : x
  2. Step 2: Convert to fraction form
    87,696.28/131,577.56 = 52,660.36/x
  3. Step 3: Cross multiply
    87,696.28x = 131,577.56 × 52,660.36
  4. Step 4: Simplify right side
    87,696.28x = 6,928,921,677.52
  5. Step 5: Solve for x
    x = 6,928,921,677.52/87,696.28
  6. Step 6: Final answer
    x = 79,010.44

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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.