Home / 90,617.99-125,062.62-54,827.73

Finding the Fourth Proportional to 90,617.99, 125,062.62 and 54,827.73

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Solution

The fourth proportional to 90,617.99, 125,062.62 and 54,827.73 is: 75,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,617.99 : 125,062.62 = 54,827.73 : x
  2. Step 2: Convert to fraction form
    90,617.99/125,062.62 = 54,827.73/x
  3. Step 3: Cross multiply
    90,617.99x = 125,062.62 × 54,827.73
  4. Step 4: Simplify right side
    90,617.99x = 6,856,899,356.85
  5. Step 5: Solve for x
    x = 6,856,899,356.85/90,617.99
  6. Step 6: Final answer
    x = 75,668.19

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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.