Home / 76,212.11-105,137.77-49,363.25

Finding the Fourth Proportional to 76,212.11, 105,137.77 and 49,363.25

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Solution

The fourth proportional to 76,212.11, 105,137.77 and 49,363.25 is: 68,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,212.11 : 105,137.77 = 49,363.25 : x
  2. Step 2: Convert to fraction form
    76,212.11/105,137.77 = 49,363.25/x
  3. Step 3: Cross multiply
    76,212.11x = 105,137.77 × 49,363.25
  4. Step 4: Simplify right side
    76,212.11x = 5,189,941,778.14
  5. Step 5: Solve for x
    x = 5,189,941,778.14/76,212.11
  6. Step 6: Final answer
    x = 68,098.65

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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.