Home / 96,456.40-144,490.20-54,854.80

Finding the Fourth Proportional to 96,456.40, 144,490.20 and 54,854.80

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Solution

The fourth proportional to 96,456.40, 144,490.20 and 54,854.80 is: 82,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,456.40 : 144,490.20 = 54,854.80 : x
  2. Step 2: Convert to fraction form
    96,456.40/144,490.20 = 54,854.80/x
  3. Step 3: Cross multiply
    96,456.40x = 144,490.20 × 54,854.80
  4. Step 4: Simplify right side
    96,456.40x = 7,925,981,022.96
  5. Step 5: Solve for x
    x = 7,925,981,022.96/96,456.40
  6. Step 6: Final answer
    x = 82,171.64

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1.5x scale

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.