Home / 83,854.02-115,718.85-45,613.56

Finding the Fourth Proportional to 83,854.02, 115,718.85 and 45,613.56

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Solution

The fourth proportional to 83,854.02, 115,718.85 and 45,613.56 is: 62,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,854.02 : 115,718.85 = 45,613.56 : x
  2. Step 2: Convert to fraction form
    83,854.02/115,718.85 = 45,613.56/x
  3. Step 3: Cross multiply
    83,854.02x = 115,718.85 × 45,613.56
  4. Step 4: Simplify right side
    83,854.02x = 5,278,348,707.61
  5. Step 5: Solve for x
    x = 5,278,348,707.61/83,854.02
  6. Step 6: Final answer
    x = 62,946.88

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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.