Home / 88,569.24-132,335.45-85,468.56

Finding the Fourth Proportional to 88,569.24, 132,335.45 and 85,468.56

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Solution

The fourth proportional to 88,569.24, 132,335.45 and 85,468.56 is: 127,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,569.24 : 132,335.45 = 85,468.56 : x
  2. Step 2: Convert to fraction form
    88,569.24/132,335.45 = 85,468.56/x
  3. Step 3: Cross multiply
    88,569.24x = 132,335.45 × 85,468.56
  4. Step 4: Simplify right side
    88,569.24x = 11,310,520,348.45
  5. Step 5: Solve for x
    x = 11,310,520,348.45/88,569.24
  6. Step 6: Final answer
    x = 127,702.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.