Home / 88,371.46-132,557.19-72,756.28

Finding the Fourth Proportional to 88,371.46, 132,557.19 and 72,756.28

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Solution

The fourth proportional to 88,371.46, 132,557.19 and 72,756.28 is: 109,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.46 : 132,557.19 = 72,756.28 : x
  2. Step 2: Convert to fraction form
    88,371.46/132,557.19 = 72,756.28/x
  3. Step 3: Cross multiply
    88,371.46x = 132,557.19 × 72,756.28
  4. Step 4: Simplify right side
    88,371.46x = 9,644,367,700.26
  5. Step 5: Solve for x
    x = 9,644,367,700.26/88,371.46
  6. Step 6: Final answer
    x = 109,134.42

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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.