Home / 55,277.20-82,915.80-25,752.70

Finding the Fourth Proportional to 55,277.20, 82,915.80 and 25,752.70

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Solution

The fourth proportional to 55,277.20, 82,915.80 and 25,752.70 is: 38,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.20 : 82,915.80 = 25,752.70 : x
  2. Step 2: Convert to fraction form
    55,277.20/82,915.80 = 25,752.70/x
  3. Step 3: Cross multiply
    55,277.20x = 82,915.80 × 25,752.70
  4. Step 4: Simplify right side
    55,277.20x = 2,135,305,722.66
  5. Step 5: Solve for x
    x = 2,135,305,722.66/55,277.20
  6. Step 6: Final answer
    x = 38,629.05

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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.