Home / 88,471.64-132,729.94-26,142.14

Finding the Fourth Proportional to 88,471.64, 132,729.94 and 26,142.14

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Solution

The fourth proportional to 88,471.64, 132,729.94 and 26,142.14 is: 39,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,471.64 : 132,729.94 = 26,142.14 : x
  2. Step 2: Convert to fraction form
    88,471.64/132,729.94 = 26,142.14/x
  3. Step 3: Cross multiply
    88,471.64x = 132,729.94 × 26,142.14
  4. Step 4: Simplify right side
    88,471.64x = 3,469,844,673.67
  5. Step 5: Solve for x
    x = 3,469,844,673.67/88,471.64
  6. Step 6: Final answer
    x = 39,219.85

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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.