Home / 74,212.56-111,332.76-29,842.68

Finding the Fourth Proportional to 74,212.56, 111,332.76 and 29,842.68

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Solution

The fourth proportional to 74,212.56, 111,332.76 and 29,842.68 is: 44,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,212.56 : 111,332.76 = 29,842.68 : x
  2. Step 2: Convert to fraction form
    74,212.56/111,332.76 = 29,842.68/x
  3. Step 3: Cross multiply
    74,212.56x = 111,332.76 × 29,842.68
  4. Step 4: Simplify right side
    74,212.56x = 3,322,467,930.20
  5. Step 5: Solve for x
    x = 3,322,467,930.20/74,212.56
  6. Step 6: Final answer
    x = 44,769.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.