Home / 45,373.28-68,046.25-21,668.60

Finding the Fourth Proportional to 45,373.28, 68,046.25 and 21,668.60

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Solution

The fourth proportional to 45,373.28, 68,046.25 and 21,668.60 is: 32,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,373.28 : 68,046.25 = 21,668.60 : x
  2. Step 2: Convert to fraction form
    45,373.28/68,046.25 = 21,668.60/x
  3. Step 3: Cross multiply
    45,373.28x = 68,046.25 × 21,668.60
  4. Step 4: Simplify right side
    45,373.28x = 1,474,466,972.75
  5. Step 5: Solve for x
    x = 1,474,466,972.75/45,373.28
  6. Step 6: Final answer
    x = 32,496.37

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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.