Home / 57,475.91-79,316.82-31,984.61

Finding the Fourth Proportional to 57,475.91, 79,316.82 and 31,984.61

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Solution

The fourth proportional to 57,475.91, 79,316.82 and 31,984.61 is: 44,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.91 : 79,316.82 = 31,984.61 : x
  2. Step 2: Convert to fraction form
    57,475.91/79,316.82 = 31,984.61/x
  3. Step 3: Cross multiply
    57,475.91x = 79,316.82 × 31,984.61
  4. Step 4: Simplify right side
    57,475.91x = 2,536,917,157.56
  5. Step 5: Solve for x
    x = 2,536,917,157.56/57,475.91
  6. Step 6: Final answer
    x = 44,138.79

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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.