Home / 89,067.06-122,912.60-48,780.81

Finding the Fourth Proportional to 89,067.06, 122,912.60 and 48,780.81

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Solution

The fourth proportional to 89,067.06, 122,912.60 and 48,780.81 is: 67,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,067.06 : 122,912.60 = 48,780.81 : x
  2. Step 2: Convert to fraction form
    89,067.06/122,912.60 = 48,780.81/x
  3. Step 3: Cross multiply
    89,067.06x = 122,912.60 × 48,780.81
  4. Step 4: Simplify right side
    89,067.06x = 5,995,775,943.30
  5. Step 5: Solve for x
    x = 5,995,775,943.30/89,067.06
  6. Step 6: Final answer
    x = 67,317.55

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1.5x scale

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.