Home / 103,566.20-155,358.18-44,387.80

Finding the Fourth Proportional to 103,566.20, 155,358.18 and 44,387.80

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Solution

The fourth proportional to 103,566.20, 155,358.18 and 44,387.80 is: 66,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,566.20 : 155,358.18 = 44,387.80 : x
  2. Step 2: Convert to fraction form
    103,566.20/155,358.18 = 44,387.80/x
  3. Step 3: Cross multiply
    103,566.20x = 155,358.18 × 44,387.80
  4. Step 4: Simplify right side
    103,566.20x = 6,896,007,822.20
  5. Step 5: Solve for x
    x = 6,896,007,822.20/103,566.20
  6. Step 6: Final answer
    x = 66,585.51

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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.