Home / 83,418.12-125,126.78-27,296.46

Finding the Fourth Proportional to 83,418.12, 125,126.78 and 27,296.46

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Solution

The fourth proportional to 83,418.12, 125,126.78 and 27,296.46 is: 40,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,418.12 : 125,126.78 = 27,296.46 : x
  2. Step 2: Convert to fraction form
    83,418.12/125,126.78 = 27,296.46/x
  3. Step 3: Cross multiply
    83,418.12x = 125,126.78 × 27,296.46
  4. Step 4: Simplify right side
    83,418.12x = 3,415,518,008.72
  5. Step 5: Solve for x
    x = 3,415,518,008.72/83,418.12
  6. Step 6: Final answer
    x = 40,944.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.