Home / 170,025.75-255,049.16-51,705.81

Finding the Fourth Proportional to 170,025.75, 255,049.16 and 51,705.81

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Solution

The fourth proportional to 170,025.75, 255,049.16 and 51,705.81 is: 77,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,025.75 : 255,049.16 = 51,705.81 : x
  2. Step 2: Convert to fraction form
    170,025.75/255,049.16 = 51,705.81/x
  3. Step 3: Cross multiply
    170,025.75x = 255,049.16 × 51,705.81
  4. Step 4: Simplify right side
    170,025.75x = 13,187,523,149.09
  5. Step 5: Solve for x
    x = 13,187,523,149.09/170,025.75
  6. Step 6: Final answer
    x = 77,561.92

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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.