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Finding the Fourth Proportional to 63,676.80, 95,288.40 and 55,447.20

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Solution

The fourth proportional to 63,676.80, 95,288.40 and 55,447.20 is: 82,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.80 : 95,288.40 = 55,447.20 : x
  2. Step 2: Convert to fraction form
    63,676.80/95,288.40 = 55,447.20/x
  3. Step 3: Cross multiply
    63,676.80x = 95,288.40 × 55,447.20
  4. Step 4: Simplify right side
    63,676.80x = 5,283,474,972.48
  5. Step 5: Solve for x
    x = 5,283,474,972.48/63,676.80
  6. Step 6: Final answer
    x = 82,973.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.