Home / 45,825.60-68,760-22,439.04

Finding the Fourth Proportional to 45,825.60, 68,760 and 22,439.04

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Solution

The fourth proportional to 45,825.60, 68,760 and 22,439.04 is: 33,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.60 : 68,760 = 22,439.04 : x
  2. Step 2: Convert to fraction form
    45,825.60/68,760 = 22,439.04/x
  3. Step 3: Cross multiply
    45,825.60x = 68,760 × 22,439.04
  4. Step 4: Simplify right side
    45,825.60x = 1,542,908,390.40
  5. Step 5: Solve for x
    x = 1,542,908,390.40/45,825.60
  6. Step 6: Final answer
    x = 33,669.14

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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.