Home / 96,219.24-132,780.25-53,781.72

Finding the Fourth Proportional to 96,219.24, 132,780.25 and 53,781.72

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Solution

The fourth proportional to 96,219.24, 132,780.25 and 53,781.72 is: 74,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,219.24 : 132,780.25 = 53,781.72 : x
  2. Step 2: Convert to fraction form
    96,219.24/132,780.25 = 53,781.72/x
  3. Step 3: Cross multiply
    96,219.24x = 132,780.25 × 53,781.72
  4. Step 4: Simplify right side
    96,219.24x = 7,141,150,321.04
  5. Step 5: Solve for x
    x = 7,141,150,321.04/96,219.24
  6. Step 6: Final answer
    x = 74,217.49

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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.