Home / 83,422.56-125,056.08-41,820.96

Finding the Fourth Proportional to 83,422.56, 125,056.08 and 41,820.96

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Solution

The fourth proportional to 83,422.56, 125,056.08 and 41,820.96 is: 62,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.56 : 125,056.08 = 41,820.96 : x
  2. Step 2: Convert to fraction form
    83,422.56/125,056.08 = 41,820.96/x
  3. Step 3: Cross multiply
    83,422.56x = 125,056.08 × 41,820.96
  4. Step 4: Simplify right side
    83,422.56x = 5,229,965,319.44
  5. Step 5: Solve for x
    x = 5,229,965,319.44/83,422.56
  6. Step 6: Final answer
    x = 62,692.46

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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.