Home / 83,406.60-125,057.33-70,760.78

Finding the Fourth Proportional to 83,406.60, 125,057.33 and 70,760.78

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Solution

The fourth proportional to 83,406.60, 125,057.33 and 70,760.78 is: 106,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,406.60 : 125,057.33 = 70,760.78 : x
  2. Step 2: Convert to fraction form
    83,406.60/125,057.33 = 70,760.78/x
  3. Step 3: Cross multiply
    83,406.60x = 125,057.33 × 70,760.78
  4. Step 4: Simplify right side
    83,406.60x = 8,849,153,236.43
  5. Step 5: Solve for x
    x = 8,849,153,236.43/83,406.60
  6. Step 6: Final answer
    x = 106,096.56

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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.