Home / 83,343.20-115,010.68-47,544.64

Finding the Fourth Proportional to 83,343.20, 115,010.68 and 47,544.64

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Solution

The fourth proportional to 83,343.20, 115,010.68 and 47,544.64 is: 65,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343.20 : 115,010.68 = 47,544.64 : x
  2. Step 2: Convert to fraction form
    83,343.20/115,010.68 = 47,544.64/x
  3. Step 3: Cross multiply
    83,343.20x = 115,010.68 × 47,544.64
  4. Step 4: Simplify right side
    83,343.20x = 5,468,141,376.76
  5. Step 5: Solve for x
    x = 5,468,141,376.76/83,343.20
  6. Step 6: Final answer
    x = 65,609.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.