Home / 86,734.29-119,691.76-49,007.73

Finding the Fourth Proportional to 86,734.29, 119,691.76 and 49,007.73

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Solution

The fourth proportional to 86,734.29, 119,691.76 and 49,007.73 is: 67,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,734.29 : 119,691.76 = 49,007.73 : x
  2. Step 2: Convert to fraction form
    86,734.29/119,691.76 = 49,007.73/x
  3. Step 3: Cross multiply
    86,734.29x = 119,691.76 × 49,007.73
  4. Step 4: Simplify right side
    86,734.29x = 5,865,821,457.30
  5. Step 5: Solve for x
    x = 5,865,821,457.30/86,734.29
  6. Step 6: Final answer
    x = 67,629.79

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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.