Home / 75,273.28-112,869.52-25,336.72

Finding the Fourth Proportional to 75,273.28, 112,869.52 and 25,336.72

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Solution

The fourth proportional to 75,273.28, 112,869.52 and 25,336.72 is: 37,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,273.28 : 112,869.52 = 25,336.72 : x
  2. Step 2: Convert to fraction form
    75,273.28/112,869.52 = 25,336.72/x
  3. Step 3: Cross multiply
    75,273.28x = 112,869.52 × 25,336.72
  4. Step 4: Simplify right side
    75,273.28x = 2,859,743,424.77
  5. Step 5: Solve for x
    x = 2,859,743,424.77/75,273.28
  6. Step 6: Final answer
    x = 37,991.48

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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.