Home / 63,170.43-87,175.25-34,876.12

Finding the Fourth Proportional to 63,170.43, 87,175.25 and 34,876.12

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Solution

The fourth proportional to 63,170.43, 87,175.25 and 34,876.12 is: 48,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,170.43 : 87,175.25 = 34,876.12 : x
  2. Step 2: Convert to fraction form
    63,170.43/87,175.25 = 34,876.12/x
  3. Step 3: Cross multiply
    63,170.43x = 87,175.25 × 34,876.12
  4. Step 4: Simplify right side
    63,170.43x = 3,040,333,869.77
  5. Step 5: Solve for x
    x = 3,040,333,869.77/63,170.43
  6. Step 6: Final answer
    x = 48,129.07

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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.