Home / 79,321.29-109,462.68-43,510.65

Finding the Fourth Proportional to 79,321.29, 109,462.68 and 43,510.65

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Solution

The fourth proportional to 79,321.29, 109,462.68 and 43,510.65 is: 60,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,321.29 : 109,462.68 = 43,510.65 : x
  2. Step 2: Convert to fraction form
    79,321.29/109,462.68 = 43,510.65/x
  3. Step 3: Cross multiply
    79,321.29x = 109,462.68 × 43,510.65
  4. Step 4: Simplify right side
    79,321.29x = 4,762,792,357.54
  5. Step 5: Solve for x
    x = 4,762,792,357.54/79,321.29
  6. Step 6: Final answer
    x = 60,044.31

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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.