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Finding the Fourth Proportional to 88,407, 132,614.15 and 26,077.50

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Solution

The fourth proportional to 88,407, 132,614.15 and 26,077.50 is: 39,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407 : 132,614.15 = 26,077.50 : x
  2. Step 2: Convert to fraction form
    88,407/132,614.15 = 26,077.50/x
  3. Step 3: Cross multiply
    88,407x = 132,614.15 × 26,077.50
  4. Step 4: Simplify right side
    88,407x = 3,458,245,366.24
  5. Step 5: Solve for x
    x = 3,458,245,366.24/88,407
  6. Step 6: Final answer
    x = 39,117.33

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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.