Home / 57,340.31-79,125.80-31,844.61

Finding the Fourth Proportional to 57,340.31, 79,125.80 and 31,844.61

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Solution

The fourth proportional to 57,340.31, 79,125.80 and 31,844.61 is: 43,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,340.31 : 79,125.80 = 31,844.61 : x
  2. Step 2: Convert to fraction form
    57,340.31/79,125.80 = 31,844.61/x
  3. Step 3: Cross multiply
    57,340.31x = 79,125.80 × 31,844.61
  4. Step 4: Simplify right side
    57,340.31x = 2,519,730,082.71
  5. Step 5: Solve for x
    x = 2,519,730,082.71/57,340.31
  6. Step 6: Final answer
    x = 43,943.44

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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.