Home / 88,422.66-132,634.17-72,807.48

Finding the Fourth Proportional to 88,422.66, 132,634.17 and 72,807.48

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Solution

The fourth proportional to 88,422.66, 132,634.17 and 72,807.48 is: 109,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,422.66 : 132,634.17 = 72,807.48 : x
  2. Step 2: Convert to fraction form
    88,422.66/132,634.17 = 72,807.48/x
  3. Step 3: Cross multiply
    88,422.66x = 132,634.17 × 72,807.48
  4. Step 4: Simplify right side
    88,422.66x = 9,656,759,679.59
  5. Step 5: Solve for x
    x = 9,656,759,679.59/88,422.66
  6. Step 6: Final answer
    x = 109,211.37

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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.