Home / 86,731.29-119,687.63-49,004.73

Finding the Fourth Proportional to 86,731.29, 119,687.63 and 49,004.73

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Solution

The fourth proportional to 86,731.29, 119,687.63 and 49,004.73 is: 67,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,731.29 : 119,687.63 = 49,004.73 : x
  2. Step 2: Convert to fraction form
    86,731.29/119,687.63 = 49,004.73/x
  3. Step 3: Cross multiply
    86,731.29x = 119,687.63 × 49,004.73
  4. Step 4: Simplify right side
    86,731.29x = 5,865,259,747.47
  5. Step 5: Solve for x
    x = 5,865,259,747.47/86,731.29
  6. Step 6: Final answer
    x = 67,625.65

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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.