Home / 55,588.14-76,693.23-31,698

Finding the Fourth Proportional to 55,588.14, 76,693.23 and 31,698

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Solution

The fourth proportional to 55,588.14, 76,693.23 and 31,698 is: 43,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.14 : 76,693.23 = 31,698 : x
  2. Step 2: Convert to fraction form
    55,588.14/76,693.23 = 31,698/x
  3. Step 3: Cross multiply
    55,588.14x = 76,693.23 × 31,698
  4. Step 4: Simplify right side
    55,588.14x = 2,431,022,004.54
  5. Step 5: Solve for x
    x = 2,431,022,004.54/55,588.14
  6. Step 6: Final answer
    x = 43,732.75

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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.