Home / 88,040.25-132,070.65-31,906.80

Finding the Fourth Proportional to 88,040.25, 132,070.65 and 31,906.80

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Solution

The fourth proportional to 88,040.25, 132,070.65 and 31,906.80 is: 47,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.25 : 132,070.65 = 31,906.80 : x
  2. Step 2: Convert to fraction form
    88,040.25/132,070.65 = 31,906.80/x
  3. Step 3: Cross multiply
    88,040.25x = 132,070.65 × 31,906.80
  4. Step 4: Simplify right side
    88,040.25x = 4,213,951,815.42
  5. Step 5: Solve for x
    x = 4,213,951,815.42/88,040.25
  6. Step 6: Final answer
    x = 47,863.92

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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.