Home / 57,366.66-79,161.30-31,873.80

Finding the Fourth Proportional to 57,366.66, 79,161.30 and 31,873.80

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Solution

The fourth proportional to 57,366.66, 79,161.30 and 31,873.80 is: 43,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.66 : 79,161.30 = 31,873.80 : x
  2. Step 2: Convert to fraction form
    57,366.66/79,161.30 = 31,873.80/x
  3. Step 3: Cross multiply
    57,366.66x = 79,161.30 × 31,873.80
  4. Step 4: Simplify right side
    57,366.66x = 2,523,171,443.94
  5. Step 5: Solve for x
    x = 2,523,171,443.94/57,366.66
  6. Step 6: Final answer
    x = 43,983.24

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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.