Home / 88,079.56-132,129.66-31,946.20

Finding the Fourth Proportional to 88,079.56, 132,129.66 and 31,946.20

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Solution

The fourth proportional to 88,079.56, 132,129.66 and 31,946.20 is: 47,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079.56 : 132,129.66 = 31,946.20 : x
  2. Step 2: Convert to fraction form
    88,079.56/132,129.66 = 31,946.20/x
  3. Step 3: Cross multiply
    88,079.56x = 132,129.66 × 31,946.20
  4. Step 4: Simplify right side
    88,079.56x = 4,221,040,544.29
  5. Step 5: Solve for x
    x = 4,221,040,544.29/88,079.56
  6. Step 6: Final answer
    x = 47,923.04

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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.