Home / 88,781.68-122,521.67-48,499.20

Finding the Fourth Proportional to 88,781.68, 122,521.67 and 48,499.20

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Solution

The fourth proportional to 88,781.68, 122,521.67 and 48,499.20 is: 66,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,781.68 : 122,521.67 = 48,499.20 : x
  2. Step 2: Convert to fraction form
    88,781.68/122,521.67 = 48,499.20/x
  3. Step 3: Cross multiply
    88,781.68x = 122,521.67 × 48,499.20
  4. Step 4: Simplify right side
    88,781.68x = 5,942,202,917.04
  5. Step 5: Solve for x
    x = 5,942,202,917.04/88,781.68
  6. Step 6: Final answer
    x = 66,930.51

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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.