Home / 83,851.17-115,717.20-45,613.50

Finding the Fourth Proportional to 83,851.17, 115,717.20 and 45,613.50

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Solution

The fourth proportional to 83,851.17, 115,717.20 and 45,613.50 is: 62,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,851.17 : 115,717.20 = 45,613.50 : x
  2. Step 2: Convert to fraction form
    83,851.17/115,717.20 = 45,613.50/x
  3. Step 3: Cross multiply
    83,851.17x = 115,717.20 × 45,613.50
  4. Step 4: Simplify right side
    83,851.17x = 5,278,266,502.20
  5. Step 5: Solve for x
    x = 5,278,266,502.20/83,851.17
  6. Step 6: Final answer
    x = 62,948.04

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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.