Home / 91,754.37-137,616.82-25,178.95

Finding the Fourth Proportional to 91,754.37, 137,616.82 and 25,178.95

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Solution

The fourth proportional to 91,754.37, 137,616.82 and 25,178.95 is: 37,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754.37 : 137,616.82 = 25,178.95 : x
  2. Step 2: Convert to fraction form
    91,754.37/137,616.82 = 25,178.95/x
  3. Step 3: Cross multiply
    91,754.37x = 137,616.82 × 25,178.95
  4. Step 4: Simplify right side
    91,754.37x = 3,465,047,029.94
  5. Step 5: Solve for x
    x = 3,465,047,029.94/91,754.37
  6. Step 6: Final answer
    x = 37,764.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.