Home / 67,869.40-101,775.30-32,819.80

Finding the Fourth Proportional to 67,869.40, 101,775.30 and 32,819.80

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Solution

The fourth proportional to 67,869.40, 101,775.30 and 32,819.80 is: 49,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,869.40 : 101,775.30 = 32,819.80 : x
  2. Step 2: Convert to fraction form
    67,869.40/101,775.30 = 32,819.80/x
  3. Step 3: Cross multiply
    67,869.40x = 101,775.30 × 32,819.80
  4. Step 4: Simplify right side
    67,869.40x = 3,340,244,990.94
  5. Step 5: Solve for x
    x = 3,340,244,990.94/67,869.40
  6. Step 6: Final answer
    x = 49,215.77

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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.