Home / 88,944.06-122,739.28-48,656.78

Finding the Fourth Proportional to 88,944.06, 122,739.28 and 48,656.78

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Solution

The fourth proportional to 88,944.06, 122,739.28 and 48,656.78 is: 67,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,944.06 : 122,739.28 = 48,656.78 : x
  2. Step 2: Convert to fraction form
    88,944.06/122,739.28 = 48,656.78/x
  3. Step 3: Cross multiply
    88,944.06x = 122,739.28 × 48,656.78
  4. Step 4: Simplify right side
    88,944.06x = 5,972,098,144.32
  5. Step 5: Solve for x
    x = 5,972,098,144.32/88,944.06
  6. Step 6: Final answer
    x = 67,144.43

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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.