Home / 104,819.14-144,648.54-57,071.62

Finding the Fourth Proportional to 104,819.14, 144,648.54 and 57,071.62

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Solution

The fourth proportional to 104,819.14, 144,648.54 and 57,071.62 is: 78,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819.14 : 144,648.54 = 57,071.62 : x
  2. Step 2: Convert to fraction form
    104,819.14/144,648.54 = 57,071.62/x
  3. Step 3: Cross multiply
    104,819.14x = 144,648.54 × 57,071.62
  4. Step 4: Simplify right side
    104,819.14x = 8,255,326,508.43
  5. Step 5: Solve for x
    x = 8,255,326,508.43/104,819.14
  6. Step 6: Final answer
    x = 78,757.82

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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.