Home / 88,646.16-132,894.40-38,689.56

Finding the Fourth Proportional to 88,646.16, 132,894.40 and 38,689.56

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Solution

The fourth proportional to 88,646.16, 132,894.40 and 38,689.56 is: 58,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.16 : 132,894.40 = 38,689.56 : x
  2. Step 2: Convert to fraction form
    88,646.16/132,894.40 = 38,689.56/x
  3. Step 3: Cross multiply
    88,646.16x = 132,894.40 × 38,689.56
  4. Step 4: Simplify right side
    88,646.16x = 5,141,625,862.46
  5. Step 5: Solve for x
    x = 5,141,625,862.46/88,646.16
  6. Step 6: Final answer
    x = 58,001.68

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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.