Home / 55,791.41-76,993.49-30,641.45

Finding the Fourth Proportional to 55,791.41, 76,993.49 and 30,641.45

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Solution

The fourth proportional to 55,791.41, 76,993.49 and 30,641.45 is: 42,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.41 : 76,993.49 = 30,641.45 : x
  2. Step 2: Convert to fraction form
    55,791.41/76,993.49 = 30,641.45/x
  3. Step 3: Cross multiply
    55,791.41x = 76,993.49 × 30,641.45
  4. Step 4: Simplify right side
    55,791.41x = 2,359,192,020.95
  5. Step 5: Solve for x
    x = 2,359,192,020.95/55,791.41
  6. Step 6: Final answer
    x = 42,285.94

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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.