Home / 68,134.62-94,037.04-39,834.84

Finding the Fourth Proportional to 68,134.62, 94,037.04 and 39,834.84

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Solution

The fourth proportional to 68,134.62, 94,037.04 and 39,834.84 is: 54,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,134.62 : 94,037.04 = 39,834.84 : x
  2. Step 2: Convert to fraction form
    68,134.62/94,037.04 = 39,834.84/x
  3. Step 3: Cross multiply
    68,134.62x = 94,037.04 × 39,834.84
  4. Step 4: Simplify right side
    68,134.62x = 3,745,950,442.47
  5. Step 5: Solve for x
    x = 3,745,950,442.47/68,134.62
  6. Step 6: Final answer
    x = 54,978.66

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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.