Home / 68,835.21-94,993.26-38,621.19

Finding the Fourth Proportional to 68,835.21, 94,993.26 and 38,621.19

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Solution

The fourth proportional to 68,835.21, 94,993.26 and 38,621.19 is: 53,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835.21 : 94,993.26 = 38,621.19 : x
  2. Step 2: Convert to fraction form
    68,835.21/94,993.26 = 38,621.19/x
  3. Step 3: Cross multiply
    68,835.21x = 94,993.26 × 38,621.19
  4. Step 4: Simplify right side
    68,835.21x = 3,668,752,743.18
  5. Step 5: Solve for x
    x = 3,668,752,743.18/68,835.21
  6. Step 6: Final answer
    x = 53,297.62

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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.