Home / 57,245.20-79,003.24-31,759.77

Finding the Fourth Proportional to 57,245.20, 79,003.24 and 31,759.77

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Solution

The fourth proportional to 57,245.20, 79,003.24 and 31,759.77 is: 43,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.20 : 79,003.24 = 31,759.77 : x
  2. Step 2: Convert to fraction form
    57,245.20/79,003.24 = 31,759.77/x
  3. Step 3: Cross multiply
    57,245.20x = 79,003.24 × 31,759.77
  4. Step 4: Simplify right side
    57,245.20x = 2,509,124,731.65
  5. Step 5: Solve for x
    x = 2,509,124,731.65/57,245.20
  6. Step 6: Final answer
    x = 43,831.18

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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.