Home / 68,334.66-102,514.38-30,912.36

Finding the Fourth Proportional to 68,334.66, 102,514.38 and 30,912.36

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Solution

The fourth proportional to 68,334.66, 102,514.38 and 30,912.36 is: 46,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.66 : 102,514.38 = 30,912.36 : x
  2. Step 2: Convert to fraction form
    68,334.66/102,514.38 = 30,912.36/x
  3. Step 3: Cross multiply
    68,334.66x = 102,514.38 × 30,912.36
  4. Step 4: Simplify right side
    68,334.66x = 3,168,961,419.74
  5. Step 5: Solve for x
    x = 3,168,961,419.74/68,334.66
  6. Step 6: Final answer
    x = 46,374.14

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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.