Home / 121,819.96-182,607.27-50,781.93

Finding the Fourth Proportional to 121,819.96, 182,607.27 and 50,781.93

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Solution

The fourth proportional to 121,819.96, 182,607.27 and 50,781.93 is: 76,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,819.96 : 182,607.27 = 50,781.93 : x
  2. Step 2: Convert to fraction form
    121,819.96/182,607.27 = 50,781.93/x
  3. Step 3: Cross multiply
    121,819.96x = 182,607.27 × 50,781.93
  4. Step 4: Simplify right side
    121,819.96x = 9,273,148,689.59
  5. Step 5: Solve for x
    x = 9,273,148,689.59/121,819.96
  6. Step 6: Final answer
    x = 76,121.75

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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.