Home / 58,849.18-81,212.25-31,991.92

Finding the Fourth Proportional to 58,849.18, 81,212.25 and 31,991.92

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Solution

The fourth proportional to 58,849.18, 81,212.25 and 31,991.92 is: 44,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,849.18 : 81,212.25 = 31,991.92 : x
  2. Step 2: Convert to fraction form
    58,849.18/81,212.25 = 31,991.92/x
  3. Step 3: Cross multiply
    58,849.18x = 81,212.25 × 31,991.92
  4. Step 4: Simplify right side
    58,849.18x = 2,598,135,805.02
  5. Step 5: Solve for x
    x = 2,598,135,805.02/58,849.18
  6. Step 6: Final answer
    x = 44,149.06

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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.