Home / 83,704.27-115,512.75-45,464.19

Finding the Fourth Proportional to 83,704.27, 115,512.75 and 45,464.19

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Solution

The fourth proportional to 83,704.27, 115,512.75 and 45,464.19 is: 62,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,704.27 : 115,512.75 = 45,464.19 : x
  2. Step 2: Convert to fraction form
    83,704.27/115,512.75 = 45,464.19/x
  3. Step 3: Cross multiply
    83,704.27x = 115,512.75 × 45,464.19
  4. Step 4: Simplify right side
    83,704.27x = 5,251,693,613.42
  5. Step 5: Solve for x
    x = 5,251,693,613.42/83,704.27
  6. Step 6: Final answer
    x = 62,741.05

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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.