Home / 80,203.77-120,237.99-50,556.25

Finding the Fourth Proportional to 80,203.77, 120,237.99 and 50,556.25

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Solution

The fourth proportional to 80,203.77, 120,237.99 and 50,556.25 is: 75,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,203.77 : 120,237.99 = 50,556.25 : x
  2. Step 2: Convert to fraction form
    80,203.77/120,237.99 = 50,556.25/x
  3. Step 3: Cross multiply
    80,203.77x = 120,237.99 × 50,556.25
  4. Step 4: Simplify right side
    80,203.77x = 6,078,781,842.65
  5. Step 5: Solve for x
    x = 6,078,781,842.65/80,203.77
  6. Step 6: Final answer
    x = 75,791.72

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1.5x scale

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.