Home / 83,417.02-115,117.17-45,691.30

Finding the Fourth Proportional to 83,417.02, 115,117.17 and 45,691.30

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Solution

The fourth proportional to 83,417.02, 115,117.17 and 45,691.30 is: 63,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417.02 : 115,117.17 = 45,691.30 : x
  2. Step 2: Convert to fraction form
    83,417.02/115,117.17 = 45,691.30/x
  3. Step 3: Cross multiply
    83,417.02x = 115,117.17 × 45,691.30
  4. Step 4: Simplify right side
    83,417.02x = 5,259,853,149.62
  5. Step 5: Solve for x
    x = 5,259,853,149.62/83,417.02
  6. Step 6: Final answer
    x = 63,054.92

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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.