Home / 57,265.87-79,026.77-31,776.11

Finding the Fourth Proportional to 57,265.87, 79,026.77 and 31,776.11

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Solution

The fourth proportional to 57,265.87, 79,026.77 and 31,776.11 is: 43,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,265.87 : 79,026.77 = 31,776.11 : x
  2. Step 2: Convert to fraction form
    57,265.87/79,026.77 = 31,776.11/x
  3. Step 3: Cross multiply
    57,265.87x = 79,026.77 × 31,776.11
  4. Step 4: Simplify right side
    57,265.87x = 2,511,163,177.58
  5. Step 5: Solve for x
    x = 2,511,163,177.58/57,265.87
  6. Step 6: Final answer
    x = 43,850.96

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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.