Home / 63,170.64-87,175.32-34,876.14

Finding the Fourth Proportional to 63,170.64, 87,175.32 and 34,876.14

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Solution

The fourth proportional to 63,170.64, 87,175.32 and 34,876.14 is: 48,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,170.64 : 87,175.32 = 34,876.14 : x
  2. Step 2: Convert to fraction form
    63,170.64/87,175.32 = 34,876.14/x
  3. Step 3: Cross multiply
    63,170.64x = 87,175.32 × 34,876.14
  4. Step 4: Simplify right side
    63,170.64x = 3,040,338,664.86
  5. Step 5: Solve for x
    x = 3,040,338,664.86/63,170.64
  6. Step 6: Final answer
    x = 48,128.98

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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.