Home / 68,789.87-94,946.91-41,947.19

Finding the Fourth Proportional to 68,789.87, 94,946.91 and 41,947.19

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Solution

The fourth proportional to 68,789.87, 94,946.91 and 41,947.19 is: 57,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.87 : 94,946.91 = 41,947.19 : x
  2. Step 2: Convert to fraction form
    68,789.87/94,946.91 = 41,947.19/x
  3. Step 3: Cross multiply
    68,789.87x = 94,946.91 × 41,947.19
  4. Step 4: Simplify right side
    68,789.87x = 3,982,756,073.68
  5. Step 5: Solve for x
    x = 3,982,756,073.68/68,789.87
  6. Step 6: Final answer
    x = 57,897.42

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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.