Home / 80,317.08-120,530.88-27,726.57

Finding the Fourth Proportional to 80,317.08, 120,530.88 and 27,726.57

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Solution

The fourth proportional to 80,317.08, 120,530.88 and 27,726.57 is: 41,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.08 : 120,530.88 = 27,726.57 : x
  2. Step 2: Convert to fraction form
    80,317.08/120,530.88 = 27,726.57/x
  3. Step 3: Cross multiply
    80,317.08x = 120,530.88 × 27,726.57
  4. Step 4: Simplify right side
    80,317.08x = 3,341,907,881.48
  5. Step 5: Solve for x
    x = 3,341,907,881.48/80,317.08
  6. Step 6: Final answer
    x = 41,608.93

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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.