Home / 45,231.20-67,853.00-15,641.09

Finding the Fourth Proportional to 45,231.20, 67,853.00 and 15,641.09

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Solution

The fourth proportional to 45,231.20, 67,853.00 and 15,641.09 is: 23,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.20 : 67,853.00 = 15,641.09 : x
  2. Step 2: Convert to fraction form
    45,231.20/67,853.00 = 15,641.09/x
  3. Step 3: Cross multiply
    45,231.20x = 67,853.00 × 15,641.09
  4. Step 4: Simplify right side
    45,231.20x = 1,061,294,801.56
  5. Step 5: Solve for x
    x = 1,061,294,801.56/45,231.20
  6. Step 6: Final answer
    x = 23,463.78

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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.