Home / 68,339.07-102,523.46-20,954.34

Finding the Fourth Proportional to 68,339.07, 102,523.46 and 20,954.34

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Solution

The fourth proportional to 68,339.07, 102,523.46 and 20,954.34 is: 31,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,339.07 : 102,523.46 = 20,954.34 : x
  2. Step 2: Convert to fraction form
    68,339.07/102,523.46 = 20,954.34/x
  3. Step 3: Cross multiply
    68,339.07x = 102,523.46 × 20,954.34
  4. Step 4: Simplify right side
    68,339.07x = 2,148,311,334.04
  5. Step 5: Solve for x
    x = 2,148,311,334.04/68,339.07
  6. Step 6: Final answer
    x = 31,436.06

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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.