Home / 74,120.96-111,169.92-34,674.56

Finding the Fourth Proportional to 74,120.96, 111,169.92 and 34,674.56

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Solution

The fourth proportional to 74,120.96, 111,169.92 and 34,674.56 is: 52,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,120.96 : 111,169.92 = 34,674.56 : x
  2. Step 2: Convert to fraction form
    74,120.96/111,169.92 = 34,674.56/x
  3. Step 3: Cross multiply
    74,120.96x = 111,169.92 × 34,674.56
  4. Step 4: Simplify right side
    74,120.96x = 3,854,768,061.24
  5. Step 5: Solve for x
    x = 3,854,768,061.24/74,120.96
  6. Step 6: Final answer
    x = 52,006.45

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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.