Home / 68,795.40-94,942.56-38,178.54

Finding the Fourth Proportional to 68,795.40, 94,942.56 and 38,178.54

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Solution

The fourth proportional to 68,795.40, 94,942.56 and 38,178.54 is: 52,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,795.40 : 94,942.56 = 38,178.54 : x
  2. Step 2: Convert to fraction form
    68,795.40/94,942.56 = 38,178.54/x
  3. Step 3: Cross multiply
    68,795.40x = 94,942.56 × 38,178.54
  4. Step 4: Simplify right side
    68,795.40x = 3,624,768,324.66
  5. Step 5: Solve for x
    x = 3,624,768,324.66/68,795.40
  6. Step 6: Final answer
    x = 52,689.11

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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.