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Finding the Fourth Proportional to 88,062.43, 132,112.80 and 28,895.88

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Solution

The fourth proportional to 88,062.43, 132,112.80 and 28,895.88 is: 43,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,062.43 : 132,112.80 = 28,895.88 : x
  2. Step 2: Convert to fraction form
    88,062.43/132,112.80 = 28,895.88/x
  3. Step 3: Cross multiply
    88,062.43x = 132,112.80 × 28,895.88
  4. Step 4: Simplify right side
    88,062.43x = 3,817,515,615.26
  5. Step 5: Solve for x
    x = 3,817,515,615.26/88,062.43
  6. Step 6: Final answer
    x = 43,350.11

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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.