Home / 124,634.20-186,912.09-40,374.82

Finding the Fourth Proportional to 124,634.20, 186,912.09 and 40,374.82

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Solution

The fourth proportional to 124,634.20, 186,912.09 and 40,374.82 is: 60,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,634.20 : 186,912.09 = 40,374.82 : x
  2. Step 2: Convert to fraction form
    124,634.20/186,912.09 = 40,374.82/x
  3. Step 3: Cross multiply
    124,634.20x = 186,912.09 × 40,374.82
  4. Step 4: Simplify right side
    124,634.20x = 7,546,541,989.57
  5. Step 5: Solve for x
    x = 7,546,541,989.57/124,634.20
  6. Step 6: Final answer
    x = 60,549.53

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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.