Home / 81,737.76-122,608.19-22,575.00

Finding the Fourth Proportional to 81,737.76, 122,608.19 and 22,575.00

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Solution

The fourth proportional to 81,737.76, 122,608.19 and 22,575.00 is: 33,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,737.76 : 122,608.19 = 22,575.00 : x
  2. Step 2: Convert to fraction form
    81,737.76/122,608.19 = 22,575.00/x
  3. Step 3: Cross multiply
    81,737.76x = 122,608.19 × 22,575.00
  4. Step 4: Simplify right side
    81,737.76x = 2,767,880,082.90
  5. Step 5: Solve for x
    x = 2,767,880,082.90/81,737.76
  6. Step 6: Final answer
    x = 33,862.93

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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.