Home / 90,324.72-124,654.68-54,523.44

Finding the Fourth Proportional to 90,324.72, 124,654.68 and 54,523.44

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Solution

The fourth proportional to 90,324.72, 124,654.68 and 54,523.44 is: 75,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,324.72 : 124,654.68 = 54,523.44 : x
  2. Step 2: Convert to fraction form
    90,324.72/124,654.68 = 54,523.44/x
  3. Step 3: Cross multiply
    90,324.72x = 124,654.68 × 54,523.44
  4. Step 4: Simplify right side
    90,324.72x = 6,796,601,965.70
  5. Step 5: Solve for x
    x = 6,796,601,965.70/90,324.72
  6. Step 6: Final answer
    x = 75,246.31

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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.