Home / 83,610.50-115,382.49-45,884.75

Finding the Fourth Proportional to 83,610.50, 115,382.49 and 45,884.75

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Solution

The fourth proportional to 83,610.50, 115,382.49 and 45,884.75 is: 63,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,610.50 : 115,382.49 = 45,884.75 : x
  2. Step 2: Convert to fraction form
    83,610.50/115,382.49 = 45,884.75/x
  3. Step 3: Cross multiply
    83,610.50x = 115,382.49 × 45,884.75
  4. Step 4: Simplify right side
    83,610.50x = 5,294,296,708.03
  5. Step 5: Solve for x
    x = 5,294,296,708.03/83,610.50
  6. Step 6: Final answer
    x = 63,320.96

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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.