Home / 83,445.64-125,176.14-27,286.04

Finding the Fourth Proportional to 83,445.64, 125,176.14 and 27,286.04

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Solution

The fourth proportional to 83,445.64, 125,176.14 and 27,286.04 is: 40,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.64 : 125,176.14 = 27,286.04 : x
  2. Step 2: Convert to fraction form
    83,445.64/125,176.14 = 27,286.04/x
  3. Step 3: Cross multiply
    83,445.64x = 125,176.14 × 27,286.04
  4. Step 4: Simplify right side
    83,445.64x = 3,415,561,163.09
  5. Step 5: Solve for x
    x = 3,415,561,163.09/83,445.64
  6. Step 6: Final answer
    x = 40,931.57

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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.