Home / 98,819.64-136,371.13-53,497.62

Finding the Fourth Proportional to 98,819.64, 136,371.13 and 53,497.62

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Solution

The fourth proportional to 98,819.64, 136,371.13 and 53,497.62 is: 73,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,819.64 : 136,371.13 = 53,497.62 : x
  2. Step 2: Convert to fraction form
    98,819.64/136,371.13 = 53,497.62/x
  3. Step 3: Cross multiply
    98,819.64x = 136,371.13 × 53,497.62
  4. Step 4: Simplify right side
    98,819.64x = 7,295,530,757.97
  5. Step 5: Solve for x
    x = 7,295,530,757.97/98,819.64
  6. Step 6: Final answer
    x = 73,826.73

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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.