Home / 55,269.14-76,273.45-31,399.85

Finding the Fourth Proportional to 55,269.14, 76,273.45 and 31,399.85

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Solution

The fourth proportional to 55,269.14, 76,273.45 and 31,399.85 is: 43,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,269.14 : 76,273.45 = 31,399.85 : x
  2. Step 2: Convert to fraction form
    55,269.14/76,273.45 = 31,399.85/x
  3. Step 3: Cross multiply
    55,269.14x = 76,273.45 × 31,399.85
  4. Step 4: Simplify right side
    55,269.14x = 2,394,975,001.17
  5. Step 5: Solve for x
    x = 2,394,975,001.17/55,269.14
  6. Step 6: Final answer
    x = 43,332.96

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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.