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Finding the Fourth Proportional to 63,881.12, 88,242 and 57,919.52

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Solution

The fourth proportional to 63,881.12, 88,242 and 57,919.52 is: 80,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,881.12 : 88,242 = 57,919.52 : x
  2. Step 2: Convert to fraction form
    63,881.12/88,242 = 57,919.52/x
  3. Step 3: Cross multiply
    63,881.12x = 88,242 × 57,919.52
  4. Step 4: Simplify right side
    63,881.12x = 5,110,934,283.84
  5. Step 5: Solve for x
    x = 5,110,934,283.84/63,881.12
  6. Step 6: Final answer
    x = 80,006.96

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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.