Home / 55,618.78-76,755.14-31,744.96

Finding the Fourth Proportional to 55,618.78, 76,755.14 and 31,744.96

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Solution

The fourth proportional to 55,618.78, 76,755.14 and 31,744.96 is: 43,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.78 : 76,755.14 = 31,744.96 : x
  2. Step 2: Convert to fraction form
    55,618.78/76,755.14 = 31,744.96/x
  3. Step 3: Cross multiply
    55,618.78x = 76,755.14 × 31,744.96
  4. Step 4: Simplify right side
    55,618.78x = 2,436,588,849.09
  5. Step 5: Solve for x
    x = 2,436,588,849.09/55,618.78
  6. Step 6: Final answer
    x = 43,808.74

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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.