Home / 88,640.14-132,961.38-29,475.82

Finding the Fourth Proportional to 88,640.14, 132,961.38 and 29,475.82

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Solution

The fourth proportional to 88,640.14, 132,961.38 and 29,475.82 is: 44,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.14 : 132,961.38 = 29,475.82 : x
  2. Step 2: Convert to fraction form
    88,640.14/132,961.38 = 29,475.82/x
  3. Step 3: Cross multiply
    88,640.14x = 132,961.38 × 29,475.82
  4. Step 4: Simplify right side
    88,640.14x = 3,919,145,703.83
  5. Step 5: Solve for x
    x = 3,919,145,703.83/88,640.14
  6. Step 6: Final answer
    x = 44,214.12

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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.