Home / 83,704.43-115,512.97-45,464.35

Finding the Fourth Proportional to 83,704.43, 115,512.97 and 45,464.35

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Solution

The fourth proportional to 83,704.43, 115,512.97 and 45,464.35 is: 62,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,704.43 : 115,512.97 = 45,464.35 : x
  2. Step 2: Convert to fraction form
    83,704.43/115,512.97 = 45,464.35/x
  3. Step 3: Cross multiply
    83,704.43x = 115,512.97 × 45,464.35
  4. Step 4: Simplify right side
    83,704.43x = 5,251,721,870.30
  5. Step 5: Solve for x
    x = 5,251,721,870.30/83,704.43
  6. Step 6: Final answer
    x = 62,741.27

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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.