Home / 120,572.44-166,387.14-66,856.96

Finding the Fourth Proportional to 120,572.44, 166,387.14 and 66,856.96

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Solution

The fourth proportional to 120,572.44, 166,387.14 and 66,856.96 is: 92,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,572.44 : 166,387.14 = 66,856.96 : x
  2. Step 2: Convert to fraction form
    120,572.44/166,387.14 = 66,856.96/x
  3. Step 3: Cross multiply
    120,572.44x = 166,387.14 × 66,856.96
  4. Step 4: Simplify right side
    120,572.44x = 11,124,138,363.49
  5. Step 5: Solve for x
    x = 11,124,138,363.49/120,572.44
  6. Step 6: Final answer
    x = 92,261.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.