Home / 88,081.56-132,132.66-31,948.20

Finding the Fourth Proportional to 88,081.56, 132,132.66 and 31,948.20

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Solution

The fourth proportional to 88,081.56, 132,132.66 and 31,948.20 is: 47,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081.56 : 132,132.66 = 31,948.20 : x
  2. Step 2: Convert to fraction form
    88,081.56/132,132.66 = 31,948.20/x
  3. Step 3: Cross multiply
    88,081.56x = 132,132.66 × 31,948.20
  4. Step 4: Simplify right side
    88,081.56x = 4,221,400,648.21
  5. Step 5: Solve for x
    x = 4,221,400,648.21/88,081.56
  6. Step 6: Final answer
    x = 47,926.04

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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.