Home / 67,217.18-100,839.60-56,200.84

Finding the Fourth Proportional to 67,217.18, 100,839.60 and 56,200.84

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Solution

The fourth proportional to 67,217.18, 100,839.60 and 56,200.84 is: 84,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,217.18 : 100,839.60 = 56,200.84 : x
  2. Step 2: Convert to fraction form
    67,217.18/100,839.60 = 56,200.84/x
  3. Step 3: Cross multiply
    67,217.18x = 100,839.60 × 56,200.84
  4. Step 4: Simplify right side
    67,217.18x = 5,667,269,973.17
  5. Step 5: Solve for x
    x = 5,667,269,973.17/67,217.18
  6. Step 6: Final answer
    x = 84,312.83

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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.