Home / 67,856.10-101,759.76-23,470.80

Finding the Fourth Proportional to 67,856.10, 101,759.76 and 23,470.80

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Solution

The fourth proportional to 67,856.10, 101,759.76 and 23,470.80 is: 35,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.10 : 101,759.76 = 23,470.80 : x
  2. Step 2: Convert to fraction form
    67,856.10/101,759.76 = 23,470.80/x
  3. Step 3: Cross multiply
    67,856.10x = 101,759.76 × 23,470.80
  4. Step 4: Simplify right side
    67,856.10x = 2,388,382,975.01
  5. Step 5: Solve for x
    x = 2,388,382,975.01/67,856.10
  6. Step 6: Final answer
    x = 35,197.76

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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.