Home / 68,784.12-103,171.86-24,405

Finding the Fourth Proportional to 68,784.12, 103,171.86 and 24,405

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Solution

The fourth proportional to 68,784.12, 103,171.86 and 24,405 is: 36,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.12 : 103,171.86 = 24,405 : x
  2. Step 2: Convert to fraction form
    68,784.12/103,171.86 = 24,405/x
  3. Step 3: Cross multiply
    68,784.12x = 103,171.86 × 24,405
  4. Step 4: Simplify right side
    68,784.12x = 2,517,909,243.30
  5. Step 5: Solve for x
    x = 2,517,909,243.30/68,784.12
  6. Step 6: Final answer
    x = 36,605.97

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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.