Home / 83,416.24-115,114.46-45,691.12

Finding the Fourth Proportional to 83,416.24, 115,114.46 and 45,691.12

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Solution

The fourth proportional to 83,416.24, 115,114.46 and 45,691.12 is: 63,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.24 : 115,114.46 = 45,691.12 : x
  2. Step 2: Convert to fraction form
    83,416.24/115,114.46 = 45,691.12/x
  3. Step 3: Cross multiply
    83,416.24x = 115,114.46 × 45,691.12
  4. Step 4: Simplify right side
    83,416.24x = 5,259,708,605.60
  5. Step 5: Solve for x
    x = 5,259,708,605.60/83,416.24
  6. Step 6: Final answer
    x = 63,053.77

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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.