Home / 43,214.50-64,832.69-12,049.75

Finding the Fourth Proportional to 43,214.50, 64,832.69 and 12,049.75

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Solution

The fourth proportional to 43,214.50, 64,832.69 and 12,049.75 is: 18,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.50 : 64,832.69 = 12,049.75 : x
  2. Step 2: Convert to fraction form
    43,214.50/64,832.69 = 12,049.75/x
  3. Step 3: Cross multiply
    43,214.50x = 64,832.69 × 12,049.75
  4. Step 4: Simplify right side
    43,214.50x = 781,217,706.33
  5. Step 5: Solve for x
    x = 781,217,706.33/43,214.50
  6. Step 6: Final answer
    x = 18,077.68

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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.