Home / 67,995.17-93,806.46-39,309.56

Finding the Fourth Proportional to 67,995.17, 93,806.46 and 39,309.56

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Solution

The fourth proportional to 67,995.17, 93,806.46 and 39,309.56 is: 54,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,995.17 : 93,806.46 = 39,309.56 : x
  2. Step 2: Convert to fraction form
    67,995.17/93,806.46 = 39,309.56/x
  3. Step 3: Cross multiply
    67,995.17x = 93,806.46 × 39,309.56
  4. Step 4: Simplify right side
    67,995.17x = 3,687,490,198.73
  5. Step 5: Solve for x
    x = 3,687,490,198.73/67,995.17
  6. Step 6: Final answer
    x = 54,231.65

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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.