Home / 84,469.43-126,689.57-25,289.21

Finding the Fourth Proportional to 84,469.43, 126,689.57 and 25,289.21

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Solution

The fourth proportional to 84,469.43, 126,689.57 and 25,289.21 is: 37,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,469.43 : 126,689.57 = 25,289.21 : x
  2. Step 2: Convert to fraction form
    84,469.43/126,689.57 = 25,289.21/x
  3. Step 3: Cross multiply
    84,469.43x = 126,689.57 × 25,289.21
  4. Step 4: Simplify right side
    84,469.43x = 3,203,879,425.65
  5. Step 5: Solve for x
    x = 3,203,879,425.65/84,469.43
  6. Step 6: Final answer
    x = 37,929.45

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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.