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Finding the Fourth Proportional to 63,669.49, 87,862.31 and 35,375.24

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Solution

The fourth proportional to 63,669.49, 87,862.31 and 35,375.24 is: 48,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.49 : 87,862.31 = 35,375.24 : x
  2. Step 2: Convert to fraction form
    63,669.49/87,862.31 = 35,375.24/x
  3. Step 3: Cross multiply
    63,669.49x = 87,862.31 × 35,375.24
  4. Step 4: Simplify right side
    63,669.49x = 3,108,150,303.20
  5. Step 5: Solve for x
    x = 3,108,150,303.20/63,669.49
  6. Step 6: Final answer
    x = 48,816.95

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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.