Home / 57,339.82-79,126.26-31,847.83

Finding the Fourth Proportional to 57,339.82, 79,126.26 and 31,847.83

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Solution

The fourth proportional to 57,339.82, 79,126.26 and 31,847.83 is: 43,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.82 : 79,126.26 = 31,847.83 : x
  2. Step 2: Convert to fraction form
    57,339.82/79,126.26 = 31,847.83/x
  3. Step 3: Cross multiply
    57,339.82x = 79,126.26 × 31,847.83
  4. Step 4: Simplify right side
    57,339.82x = 2,519,999,677.02
  5. Step 5: Solve for x
    x = 2,519,999,677.02/57,339.82
  6. Step 6: Final answer
    x = 43,948.51

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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.