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Finding the Fourth Proportional to 63,119.82, 87,103.71 and 34,824.90

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Solution

The fourth proportional to 63,119.82, 87,103.71 and 34,824.90 is: 48,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,119.82 : 87,103.71 = 34,824.90 : x
  2. Step 2: Convert to fraction form
    63,119.82/87,103.71 = 34,824.90/x
  3. Step 3: Cross multiply
    63,119.82x = 87,103.71 × 34,824.90
  4. Step 4: Simplify right side
    63,119.82x = 3,033,377,990.38
  5. Step 5: Solve for x
    x = 3,033,377,990.38/63,119.82
  6. Step 6: Final answer
    x = 48,057.46

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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.