Home / 71,775.04-107,626.56-45,532.48

Finding the Fourth Proportional to 71,775.04, 107,626.56 and 45,532.48

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Solution

The fourth proportional to 71,775.04, 107,626.56 and 45,532.48 is: 68,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,775.04 : 107,626.56 = 45,532.48 : x
  2. Step 2: Convert to fraction form
    71,775.04/107,626.56 = 45,532.48/x
  3. Step 3: Cross multiply
    71,775.04x = 107,626.56 × 45,532.48
  4. Step 4: Simplify right side
    71,775.04x = 4,900,504,190.67
  5. Step 5: Solve for x
    x = 4,900,504,190.67/71,775.04
  6. Step 6: Final answer
    x = 68,275.88

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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.