Home / 83,963.39-115,877.66-62,705.75

Finding the Fourth Proportional to 83,963.39, 115,877.66 and 62,705.75

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Solution

The fourth proportional to 83,963.39, 115,877.66 and 62,705.75 is: 86,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,963.39 : 115,877.66 = 62,705.75 : x
  2. Step 2: Convert to fraction form
    83,963.39/115,877.66 = 62,705.75/x
  3. Step 3: Cross multiply
    83,963.39x = 115,877.66 × 62,705.75
  4. Step 4: Simplify right side
    83,963.39x = 7,266,194,685.63
  5. Step 5: Solve for x
    x = 7,266,194,685.63/83,963.39
  6. Step 6: Final answer
    x = 86,540.04

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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.