Home / 75,860.43-113,790.92-25,976.58

Finding the Fourth Proportional to 75,860.43, 113,790.92 and 25,976.58

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Solution

The fourth proportional to 75,860.43, 113,790.92 and 25,976.58 is: 38,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,860.43 : 113,790.92 = 25,976.58 : x
  2. Step 2: Convert to fraction form
    75,860.43/113,790.92 = 25,976.58/x
  3. Step 3: Cross multiply
    75,860.43x = 113,790.92 × 25,976.58
  4. Step 4: Simplify right side
    75,860.43x = 2,955,898,806.77
  5. Step 5: Solve for x
    x = 2,955,898,806.77/75,860.43
  6. Step 6: Final answer
    x = 38,964.96

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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.