Home / 124,789.14-172,244.34-73,819.58

Finding the Fourth Proportional to 124,789.14, 172,244.34 and 73,819.58

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Solution

The fourth proportional to 124,789.14, 172,244.34 and 73,819.58 is: 101,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,789.14 : 172,244.34 = 73,819.58 : x
  2. Step 2: Convert to fraction form
    124,789.14/172,244.34 = 73,819.58/x
  3. Step 3: Cross multiply
    124,789.14x = 172,244.34 × 73,819.58
  4. Step 4: Simplify right side
    124,789.14x = 12,715,004,836.18
  5. Step 5: Solve for x
    x = 12,715,004,836.18/124,789.14
  6. Step 6: Final answer
    x = 101,891.92

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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.