Home / 70,721.26-106,132.46-25,742.54

Finding the Fourth Proportional to 70,721.26, 106,132.46 and 25,742.54

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Solution

The fourth proportional to 70,721.26, 106,132.46 and 25,742.54 is: 38,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721.26 : 106,132.46 = 25,742.54 : x
  2. Step 2: Convert to fraction form
    70,721.26/106,132.46 = 25,742.54/x
  3. Step 3: Cross multiply
    70,721.26x = 106,132.46 × 25,742.54
  4. Step 4: Simplify right side
    70,721.26x = 2,732,119,096.85
  5. Step 5: Solve for x
    x = 2,732,119,096.85/70,721.26
  6. Step 6: Final answer
    x = 38,632.22

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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.