Home / 75,262.20-103,866.64-49,723.77

Finding the Fourth Proportional to 75,262.20, 103,866.64 and 49,723.77

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Solution

The fourth proportional to 75,262.20, 103,866.64 and 49,723.77 is: 68,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,262.20 : 103,866.64 = 49,723.77 : x
  2. Step 2: Convert to fraction form
    75,262.20/103,866.64 = 49,723.77/x
  3. Step 3: Cross multiply
    75,262.20x = 103,866.64 × 49,723.77
  4. Step 4: Simplify right side
    75,262.20x = 5,164,640,398.70
  5. Step 5: Solve for x
    x = 5,164,640,398.70/75,262.20
  6. Step 6: Final answer
    x = 68,621.97

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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.