Home / 170,039.46-255,073.50-51,711.90

Finding the Fourth Proportional to 170,039.46, 255,073.50 and 51,711.90

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Solution

The fourth proportional to 170,039.46, 255,073.50 and 51,711.90 is: 77,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,039.46 : 255,073.50 = 51,711.90 : x
  2. Step 2: Convert to fraction form
    170,039.46/255,073.50 = 51,711.90/x
  3. Step 3: Cross multiply
    170,039.46x = 255,073.50 × 51,711.90
  4. Step 4: Simplify right side
    170,039.46x = 13,190,335,324.65
  5. Step 5: Solve for x
    x = 13,190,335,324.65/170,039.46
  6. Step 6: Final answer
    x = 77,572.20

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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.