Home / 45,228.16-67,743.60-27,644.68

Finding the Fourth Proportional to 45,228.16, 67,743.60 and 27,644.68

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Solution

The fourth proportional to 45,228.16, 67,743.60 and 27,644.68 is: 41,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.16 : 67,743.60 = 27,644.68 : x
  2. Step 2: Convert to fraction form
    45,228.16/67,743.60 = 27,644.68/x
  3. Step 3: Cross multiply
    45,228.16x = 67,743.60 × 27,644.68
  4. Step 4: Simplify right side
    45,228.16x = 1,872,750,144.05
  5. Step 5: Solve for x
    x = 1,872,750,144.05/45,228.16
  6. Step 6: Final answer
    x = 41,406.73

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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.