Home / 58,747.94-81,072.21-31,890.43

Finding the Fourth Proportional to 58,747.94, 81,072.21 and 31,890.43

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Solution

The fourth proportional to 58,747.94, 81,072.21 and 31,890.43 is: 44,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,747.94 : 81,072.21 = 31,890.43 : x
  2. Step 2: Convert to fraction form
    58,747.94/81,072.21 = 31,890.43/x
  3. Step 3: Cross multiply
    58,747.94x = 81,072.21 × 31,890.43
  4. Step 4: Simplify right side
    58,747.94x = 2,585,427,858.88
  5. Step 5: Solve for x
    x = 2,585,427,858.88/58,747.94
  6. Step 6: Final answer
    x = 44,008.83

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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.