Home / 88,131.28-132,177.48-25,806.64

Finding the Fourth Proportional to 88,131.28, 132,177.48 and 25,806.64

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Solution

The fourth proportional to 88,131.28, 132,177.48 and 25,806.64 is: 38,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,131.28 : 132,177.48 = 25,806.64 : x
  2. Step 2: Convert to fraction form
    88,131.28/132,177.48 = 25,806.64/x
  3. Step 3: Cross multiply
    88,131.28x = 132,177.48 × 25,806.64
  4. Step 4: Simplify right side
    88,131.28x = 3,411,056,642.47
  5. Step 5: Solve for x
    x = 3,411,056,642.47/88,131.28
  6. Step 6: Final answer
    x = 38,704.27

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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.