Home / 83,616.30-115,322.94-73,523.70

Finding the Fourth Proportional to 83,616.30, 115,322.94 and 73,523.70

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Solution

The fourth proportional to 83,616.30, 115,322.94 and 73,523.70 is: 101,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,616.30 : 115,322.94 = 73,523.70 : x
  2. Step 2: Convert to fraction form
    83,616.30/115,322.94 = 73,523.70/x
  3. Step 3: Cross multiply
    83,616.30x = 115,322.94 × 73,523.70
  4. Step 4: Simplify right side
    83,616.30x = 8,478,969,243.68
  5. Step 5: Solve for x
    x = 8,478,969,243.68/83,616.30
  6. Step 6: Final answer
    x = 101,403.31

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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.