Home / 55,617.63-76,757.83-31,747.89

Finding the Fourth Proportional to 55,617.63, 76,757.83 and 31,747.89

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Solution

The fourth proportional to 55,617.63, 76,757.83 and 31,747.89 is: 43,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.63 : 76,757.83 = 31,747.89 : x
  2. Step 2: Convert to fraction form
    55,617.63/76,757.83 = 31,747.89/x
  3. Step 3: Cross multiply
    55,617.63x = 76,757.83 × 31,747.89
  4. Step 4: Simplify right side
    55,617.63x = 2,436,898,920.19
  5. Step 5: Solve for x
    x = 2,436,898,920.19/55,617.63
  6. Step 6: Final answer
    x = 43,815.23

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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.