Home / 83,648.01-115,434.68-47,839.53

Finding the Fourth Proportional to 83,648.01, 115,434.68 and 47,839.53

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Solution

The fourth proportional to 83,648.01, 115,434.68 and 47,839.53 is: 66,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,648.01 : 115,434.68 = 47,839.53 : x
  2. Step 2: Convert to fraction form
    83,648.01/115,434.68 = 47,839.53/x
  3. Step 3: Cross multiply
    83,648.01x = 115,434.68 × 47,839.53
  4. Step 4: Simplify right side
    83,648.01x = 5,522,340,597.70
  5. Step 5: Solve for x
    x = 5,522,340,597.70/83,648.01
  6. Step 6: Final answer
    x = 66,018.79

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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.