Home / 90,664.44-125,125.38-54,863.28

Finding the Fourth Proportional to 90,664.44, 125,125.38 and 54,863.28

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Solution

The fourth proportional to 90,664.44, 125,125.38 and 54,863.28 is: 75,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664.44 : 125,125.38 = 54,863.28 : x
  2. Step 2: Convert to fraction form
    90,664.44/125,125.38 = 54,863.28/x
  3. Step 3: Cross multiply
    90,664.44x = 125,125.38 × 54,863.28
  4. Step 4: Simplify right side
    90,664.44x = 6,864,788,758.05
  5. Step 5: Solve for x
    x = 6,864,788,758.05/90,664.44
  6. Step 6: Final answer
    x = 75,716.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.