Home / 83,583.72-125,693.82-66,754.44

Finding the Fourth Proportional to 83,583.72, 125,693.82 and 66,754.44

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Solution

The fourth proportional to 83,583.72, 125,693.82 and 66,754.44 is: 100,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,583.72 : 125,693.82 = 66,754.44 : x
  2. Step 2: Convert to fraction form
    83,583.72/125,693.82 = 66,754.44/x
  3. Step 3: Cross multiply
    83,583.72x = 125,693.82 × 66,754.44
  4. Step 4: Simplify right side
    83,583.72x = 8,390,620,565.56
  5. Step 5: Solve for x
    x = 8,390,620,565.56/83,583.72
  6. Step 6: Final answer
    x = 100,385.82

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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.