Home / 67,230.20-100,845.30-56,404.55

Finding the Fourth Proportional to 67,230.20, 100,845.30 and 56,404.55

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Solution

The fourth proportional to 67,230.20, 100,845.30 and 56,404.55 is: 84,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.20 : 100,845.30 = 56,404.55 : x
  2. Step 2: Convert to fraction form
    67,230.20/100,845.30 = 56,404.55/x
  3. Step 3: Cross multiply
    67,230.20x = 100,845.30 × 56,404.55
  4. Step 4: Simplify right side
    67,230.20x = 5,688,133,766.12
  5. Step 5: Solve for x
    x = 5,688,133,766.12/67,230.20
  6. Step 6: Final answer
    x = 84,606.83

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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.