Home / 60,867.20-91,310.61-18,747.27

Finding the Fourth Proportional to 60,867.20, 91,310.61 and 18,747.27

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Solution

The fourth proportional to 60,867.20, 91,310.61 and 18,747.27 is: 28,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,867.20 : 91,310.61 = 18,747.27 : x
  2. Step 2: Convert to fraction form
    60,867.20/91,310.61 = 18,747.27/x
  3. Step 3: Cross multiply
    60,867.20x = 91,310.61 × 18,747.27
  4. Step 4: Simplify right side
    60,867.20x = 1,711,824,659.53
  5. Step 5: Solve for x
    x = 1,711,824,659.53/60,867.20
  6. Step 6: Final answer
    x = 28,123.93

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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.