Home / 80,377.26-120,566.79-38,261.22

Finding the Fourth Proportional to 80,377.26, 120,566.79 and 38,261.22

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Solution

The fourth proportional to 80,377.26, 120,566.79 and 38,261.22 is: 57,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,377.26 : 120,566.79 = 38,261.22 : x
  2. Step 2: Convert to fraction form
    80,377.26/120,566.79 = 38,261.22/x
  3. Step 3: Cross multiply
    80,377.26x = 120,566.79 × 38,261.22
  4. Step 4: Simplify right side
    80,377.26x = 4,613,032,476.88
  5. Step 5: Solve for x
    x = 4,613,032,476.88/80,377.26
  6. Step 6: Final answer
    x = 57,392.26

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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.