Home / 45,275.11-67,979.31-25,323.69

Finding the Fourth Proportional to 45,275.11, 67,979.31 and 25,323.69

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Solution

The fourth proportional to 45,275.11, 67,979.31 and 25,323.69 is: 38,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.11 : 67,979.31 = 25,323.69 : x
  2. Step 2: Convert to fraction form
    45,275.11/67,979.31 = 25,323.69/x
  3. Step 3: Cross multiply
    45,275.11x = 67,979.31 × 25,323.69
  4. Step 4: Simplify right side
    45,275.11x = 1,721,486,972.85
  5. Step 5: Solve for x
    x = 1,721,486,972.85/45,275.11
  6. Step 6: Final answer
    x = 38,022.81

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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.