Home / 52,213.11-78,221.03-40,468.83

Finding the Fourth Proportional to 52,213.11, 78,221.03 and 40,468.83

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Solution

The fourth proportional to 52,213.11, 78,221.03 and 40,468.83 is: 60,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.11 : 78,221.03 = 40,468.83 : x
  2. Step 2: Convert to fraction form
    52,213.11/78,221.03 = 40,468.83/x
  3. Step 3: Cross multiply
    52,213.11x = 78,221.03 × 40,468.83
  4. Step 4: Simplify right side
    52,213.11x = 3,165,513,363.15
  5. Step 5: Solve for x
    x = 3,165,513,363.15/52,213.11
  6. Step 6: Final answer
    x = 60,626.79

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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.