Home / 83,419.82-125,076.70-70,773.94

Finding the Fourth Proportional to 83,419.82, 125,076.70 and 70,773.94

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Solution

The fourth proportional to 83,419.82, 125,076.70 and 70,773.94 is: 106,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.82 : 125,076.70 = 70,773.94 : x
  2. Step 2: Convert to fraction form
    83,419.82/125,076.70 = 70,773.94/x
  3. Step 3: Cross multiply
    83,419.82x = 125,076.70 × 70,773.94
  4. Step 4: Simplify right side
    83,419.82x = 8,852,170,861.20
  5. Step 5: Solve for x
    x = 8,852,170,861.20/83,419.82
  6. Step 6: Final answer
    x = 106,115.92

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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.