Home / 63,918.40-95,877.60-54,076.90

Finding the Fourth Proportional to 63,918.40, 95,877.60 and 54,076.90

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Solution

The fourth proportional to 63,918.40, 95,877.60 and 54,076.90 is: 81,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,918.40 : 95,877.60 = 54,076.90 : x
  2. Step 2: Convert to fraction form
    63,918.40/95,877.60 = 54,076.90/x
  3. Step 3: Cross multiply
    63,918.40x = 95,877.60 × 54,076.90
  4. Step 4: Simplify right side
    63,918.40x = 5,184,763,387.44
  5. Step 5: Solve for x
    x = 5,184,763,387.44/63,918.40
  6. Step 6: Final answer
    x = 81,115.35

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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.