Home / 43,249.55-64,876.88-12,084.80

Finding the Fourth Proportional to 43,249.55, 64,876.88 and 12,084.80

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Solution

The fourth proportional to 43,249.55, 64,876.88 and 12,084.80 is: 18,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,249.55 : 64,876.88 = 12,084.80 : x
  2. Step 2: Convert to fraction form
    43,249.55/64,876.88 = 12,084.80/x
  3. Step 3: Cross multiply
    43,249.55x = 64,876.88 × 12,084.80
  4. Step 4: Simplify right side
    43,249.55x = 784,023,825.25
  5. Step 5: Solve for x
    x = 784,023,825.25/43,249.55
  6. Step 6: Final answer
    x = 18,127.91

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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.