Home / 90,357.20-124,696.16-54,540.22

Finding the Fourth Proportional to 90,357.20, 124,696.16 and 54,540.22

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Solution

The fourth proportional to 90,357.20, 124,696.16 and 54,540.22 is: 75,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,357.20 : 124,696.16 = 54,540.22 : x
  2. Step 2: Convert to fraction form
    90,357.20/124,696.16 = 54,540.22/x
  3. Step 3: Cross multiply
    90,357.20x = 124,696.16 × 54,540.22
  4. Step 4: Simplify right side
    90,357.20x = 6,800,955,853.44
  5. Step 5: Solve for x
    x = 6,800,955,853.44/90,357.20
  6. Step 6: Final answer
    x = 75,267.44

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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.