Home / 67,140.70-100,589.55-32,002.90

Finding the Fourth Proportional to 67,140.70, 100,589.55 and 32,002.90

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Solution

The fourth proportional to 67,140.70, 100,589.55 and 32,002.90 is: 47,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140.70 : 100,589.55 = 32,002.90 : x
  2. Step 2: Convert to fraction form
    67,140.70/100,589.55 = 32,002.90/x
  3. Step 3: Cross multiply
    67,140.70x = 100,589.55 × 32,002.90
  4. Step 4: Simplify right side
    67,140.70x = 3,219,157,309.70
  5. Step 5: Solve for x
    x = 3,219,157,309.70/67,140.70
  6. Step 6: Final answer
    x = 47,946.44

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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.