Home / 68,936.60-103,315.50-30,957.83

Finding the Fourth Proportional to 68,936.60, 103,315.50 and 30,957.83

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Solution

The fourth proportional to 68,936.60, 103,315.50 and 30,957.83 is: 46,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,936.60 : 103,315.50 = 30,957.83 : x
  2. Step 2: Convert to fraction form
    68,936.60/103,315.50 = 30,957.83/x
  3. Step 3: Cross multiply
    68,936.60x = 103,315.50 × 30,957.83
  4. Step 4: Simplify right side
    68,936.60x = 3,198,423,685.37
  5. Step 5: Solve for x
    x = 3,198,423,685.37/68,936.60
  6. Step 6: Final answer
    x = 46,396.60

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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.