Home / 67,200.20-100,812.45-33,836.30

Finding the Fourth Proportional to 67,200.20, 100,812.45 and 33,836.30

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Solution

The fourth proportional to 67,200.20, 100,812.45 and 33,836.30 is: 50,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.20 : 100,812.45 = 33,836.30 : x
  2. Step 2: Convert to fraction form
    67,200.20/100,812.45 = 33,836.30/x
  3. Step 3: Cross multiply
    67,200.20x = 100,812.45 × 33,836.30
  4. Step 4: Simplify right side
    67,200.20x = 3,411,120,301.94
  5. Step 5: Solve for x
    x = 3,411,120,301.94/67,200.20
  6. Step 6: Final answer
    x = 50,760.57

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1.5x scale

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.