Home / 124,722.37-187,157.36-45,891.95

Finding the Fourth Proportional to 124,722.37, 187,157.36 and 45,891.95

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Solution

The fourth proportional to 124,722.37, 187,157.36 and 45,891.95 is: 68,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722.37 : 187,157.36 = 45,891.95 : x
  2. Step 2: Convert to fraction form
    124,722.37/187,157.36 = 45,891.95/x
  3. Step 3: Cross multiply
    124,722.37x = 187,157.36 × 45,891.95
  4. Step 4: Simplify right side
    124,722.37x = 8,589,016,789.88
  5. Step 5: Solve for x
    x = 8,589,016,789.88/124,722.37
  6. Step 6: Final answer
    x = 68,865.09

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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.