Home / 58,731.26-81,049.20-31,873.78

Finding the Fourth Proportional to 58,731.26, 81,049.20 and 31,873.78

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Solution

The fourth proportional to 58,731.26, 81,049.20 and 31,873.78 is: 43,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731.26 : 81,049.20 = 31,873.78 : x
  2. Step 2: Convert to fraction form
    58,731.26/81,049.20 = 31,873.78/x
  3. Step 3: Cross multiply
    58,731.26x = 81,049.20 × 31,873.78
  4. Step 4: Simplify right side
    58,731.26x = 2,583,344,369.98
  5. Step 5: Solve for x
    x = 2,583,344,369.98/58,731.26
  6. Step 6: Final answer
    x = 43,985.85

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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.