Home / 81,925.60-122,895.03-22,761.28

Finding the Fourth Proportional to 81,925.60, 122,895.03 and 22,761.28

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Solution

The fourth proportional to 81,925.60, 122,895.03 and 22,761.28 is: 34,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,925.60 : 122,895.03 = 22,761.28 : x
  2. Step 2: Convert to fraction form
    81,925.60/122,895.03 = 22,761.28/x
  3. Step 3: Cross multiply
    81,925.60x = 122,895.03 × 22,761.28
  4. Step 4: Simplify right side
    81,925.60x = 2,797,248,188.44
  5. Step 5: Solve for x
    x = 2,797,248,188.44/81,925.60
  6. Step 6: Final answer
    x = 34,143.76

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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.