Home / 88,418.50-122,017.53-48,132.55

Finding the Fourth Proportional to 88,418.50, 122,017.53 and 48,132.55

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Solution

The fourth proportional to 88,418.50, 122,017.53 and 48,132.55 is: 66,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.50 : 122,017.53 = 48,132.55 : x
  2. Step 2: Convert to fraction form
    88,418.50/122,017.53 = 48,132.55/x
  3. Step 3: Cross multiply
    88,418.50x = 122,017.53 × 48,132.55
  4. Step 4: Simplify right side
    88,418.50x = 5,873,015,201.36
  5. Step 5: Solve for x
    x = 5,873,015,201.36/88,418.50
  6. Step 6: Final answer
    x = 66,422.92

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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.