Home / 73,141.80-109,721.50-25,747.05

Finding the Fourth Proportional to 73,141.80, 109,721.50 and 25,747.05

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Solution

The fourth proportional to 73,141.80, 109,721.50 and 25,747.05 is: 38,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.80 : 109,721.50 = 25,747.05 : x
  2. Step 2: Convert to fraction form
    73,141.80/109,721.50 = 25,747.05/x
  3. Step 3: Cross multiply
    73,141.80x = 109,721.50 × 25,747.05
  4. Step 4: Simplify right side
    73,141.80x = 2,825,005,175.57
  5. Step 5: Solve for x
    x = 2,825,005,175.57/73,141.80
  6. Step 6: Final answer
    x = 38,623.67

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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.