Home / 70,079.28-105,132.76-25,706.41

Finding the Fourth Proportional to 70,079.28, 105,132.76 and 25,706.41

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Solution

The fourth proportional to 70,079.28, 105,132.76 and 25,706.41 is: 38,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,079.28 : 105,132.76 = 25,706.41 : x
  2. Step 2: Convert to fraction form
    70,079.28/105,132.76 = 25,706.41/x
  3. Step 3: Cross multiply
    70,079.28x = 105,132.76 × 25,706.41
  4. Step 4: Simplify right side
    70,079.28x = 2,702,586,169.56
  5. Step 5: Solve for x
    x = 2,702,586,169.56/70,079.28
  6. Step 6: Final answer
    x = 38,564.70

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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.