Home / 70,320.40-105,469.23-25,968.04

Finding the Fourth Proportional to 70,320.40, 105,469.23 and 25,968.04

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Solution

The fourth proportional to 70,320.40, 105,469.23 and 25,968.04 is: 38,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.40 : 105,469.23 = 25,968.04 : x
  2. Step 2: Convert to fraction form
    70,320.40/105,469.23 = 25,968.04/x
  3. Step 3: Cross multiply
    70,320.40x = 105,469.23 × 25,968.04
  4. Step 4: Simplify right side
    70,320.40x = 2,738,829,183.41
  5. Step 5: Solve for x
    x = 2,738,829,183.41/70,320.40
  6. Step 6: Final answer
    x = 38,947.86

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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.