Home / 79,949.80-119,792.38-71,708.36

Finding the Fourth Proportional to 79,949.80, 119,792.38 and 71,708.36

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Solution

The fourth proportional to 79,949.80, 119,792.38 and 71,708.36 is: 107,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949.80 : 119,792.38 = 71,708.36 : x
  2. Step 2: Convert to fraction form
    79,949.80/119,792.38 = 71,708.36/x
  3. Step 3: Cross multiply
    79,949.80x = 119,792.38 × 71,708.36
  4. Step 4: Simplify right side
    79,949.80x = 8,590,115,110.30
  5. Step 5: Solve for x
    x = 8,590,115,110.30/79,949.80
  6. Step 6: Final answer
    x = 107,443.86

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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.