Home / 83,000.24-114,540.68-45,275.28

Finding the Fourth Proportional to 83,000.24, 114,540.68 and 45,275.28

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Solution

The fourth proportional to 83,000.24, 114,540.68 and 45,275.28 is: 62,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,000.24 : 114,540.68 = 45,275.28 : x
  2. Step 2: Convert to fraction form
    83,000.24/114,540.68 = 45,275.28/x
  3. Step 3: Cross multiply
    83,000.24x = 114,540.68 × 45,275.28
  4. Step 4: Simplify right side
    83,000.24x = 5,185,861,358.39
  5. Step 5: Solve for x
    x = 5,185,861,358.39/83,000.24
  6. Step 6: Final answer
    x = 62,480.08

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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.