Home / 91,225.22-136,781.93-32,067.68

Finding the Fourth Proportional to 91,225.22, 136,781.93 and 32,067.68

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Solution

The fourth proportional to 91,225.22, 136,781.93 and 32,067.68 is: 48,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,225.22 : 136,781.93 = 32,067.68 : x
  2. Step 2: Convert to fraction form
    91,225.22/136,781.93 = 32,067.68/x
  3. Step 3: Cross multiply
    91,225.22x = 136,781.93 × 32,067.68
  4. Step 4: Simplify right side
    91,225.22x = 4,386,278,557.28
  5. Step 5: Solve for x
    x = 4,386,278,557.28/91,225.22
  6. Step 6: Final answer
    x = 48,081.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.