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Finding the Fourth Proportional to 63,175.78, 87,182.52 and 34,881.64

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Solution

The fourth proportional to 63,175.78, 87,182.52 and 34,881.64 is: 48,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,175.78 : 87,182.52 = 34,881.64 : x
  2. Step 2: Convert to fraction form
    63,175.78/87,182.52 = 34,881.64/x
  3. Step 3: Cross multiply
    63,175.78x = 87,182.52 × 34,881.64
  4. Step 4: Simplify right side
    63,175.78x = 3,041,069,276.93
  5. Step 5: Solve for x
    x = 3,041,069,276.93/63,175.78
  6. Step 6: Final answer
    x = 48,136.63

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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.