Home / 68,243.85-94,138.47-39,944.07

Finding the Fourth Proportional to 68,243.85, 94,138.47 and 39,944.07

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Solution

The fourth proportional to 68,243.85, 94,138.47 and 39,944.07 is: 55,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,243.85 : 94,138.47 = 39,944.07 : x
  2. Step 2: Convert to fraction form
    68,243.85/94,138.47 = 39,944.07/x
  3. Step 3: Cross multiply
    68,243.85x = 94,138.47 × 39,944.07
  4. Step 4: Simplify right side
    68,243.85x = 3,760,273,635.37
  5. Step 5: Solve for x
    x = 3,760,273,635.37/68,243.85
  6. Step 6: Final answer
    x = 55,100.55

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1.5x scale

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.