Home / 88,234.64-121,764.55-47,948.44

Finding the Fourth Proportional to 88,234.64, 121,764.55 and 47,948.44

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Solution

The fourth proportional to 88,234.64, 121,764.55 and 47,948.44 is: 66,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,234.64 : 121,764.55 = 47,948.44 : x
  2. Step 2: Convert to fraction form
    88,234.64/121,764.55 = 47,948.44/x
  3. Step 3: Cross multiply
    88,234.64x = 121,764.55 × 47,948.44
  4. Step 4: Simplify right side
    88,234.64x = 5,838,419,610.98
  5. Step 5: Solve for x
    x = 5,838,419,610.98/88,234.64
  6. Step 6: Final answer
    x = 66,169.25

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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.