Home / 88,587.50-132,943.52-80,117.66

Finding the Fourth Proportional to 88,587.50, 132,943.52 and 80,117.66

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Solution

The fourth proportional to 88,587.50, 132,943.52 and 80,117.66 is: 120,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,587.50 : 132,943.52 = 80,117.66 : x
  2. Step 2: Convert to fraction form
    88,587.50/132,943.52 = 80,117.66/x
  3. Step 3: Cross multiply
    88,587.50x = 132,943.52 × 80,117.66
  4. Step 4: Simplify right side
    88,587.50x = 10,651,122,669.26
  5. Step 5: Solve for x
    x = 10,651,122,669.26/88,587.50
  6. Step 6: Final answer
    x = 120,232.79

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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.