Home / 79,199.33-109,295.07-43,390.61

Finding the Fourth Proportional to 79,199.33, 109,295.07 and 43,390.61

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Solution

The fourth proportional to 79,199.33, 109,295.07 and 43,390.61 is: 59,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,199.33 : 109,295.07 = 43,390.61 : x
  2. Step 2: Convert to fraction form
    79,199.33/109,295.07 = 43,390.61/x
  3. Step 3: Cross multiply
    79,199.33x = 109,295.07 × 43,390.61
  4. Step 4: Simplify right side
    79,199.33x = 4,742,379,757.29
  5. Step 5: Solve for x
    x = 4,742,379,757.29/79,199.33
  6. Step 6: Final answer
    x = 59,879.04

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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.