Home / 70,828.20-97,439.94-68,860.44

Finding the Fourth Proportional to 70,828.20, 97,439.94 and 68,860.44

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Solution

The fourth proportional to 70,828.20, 97,439.94 and 68,860.44 is: 94,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,828.20 : 97,439.94 = 68,860.44 : x
  2. Step 2: Convert to fraction form
    70,828.20/97,439.94 = 68,860.44/x
  3. Step 3: Cross multiply
    70,828.20x = 97,439.94 × 68,860.44
  4. Step 4: Simplify right side
    70,828.20x = 6,709,757,141.97
  5. Step 5: Solve for x
    x = 6,709,757,141.97/70,828.20
  6. Step 6: Final answer
    x = 94,732.85

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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.