Home / 91,842.54-126,710.11-60,029.78

Finding the Fourth Proportional to 91,842.54, 126,710.11 and 60,029.78

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Solution

The fourth proportional to 91,842.54, 126,710.11 and 60,029.78 is: 82,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,842.54 : 126,710.11 = 60,029.78 : x
  2. Step 2: Convert to fraction form
    91,842.54/126,710.11 = 60,029.78/x
  3. Step 3: Cross multiply
    91,842.54x = 126,710.11 × 60,029.78
  4. Step 4: Simplify right side
    91,842.54x = 7,606,380,027.08
  5. Step 5: Solve for x
    x = 7,606,380,027.08/91,842.54
  6. Step 6: Final answer
    x = 82,819.79

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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.