Home / 80,920.26-111,674.82-45,110.25

Finding the Fourth Proportional to 80,920.26, 111,674.82 and 45,110.25

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Solution

The fourth proportional to 80,920.26, 111,674.82 and 45,110.25 is: 62,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,920.26 : 111,674.82 = 45,110.25 : x
  2. Step 2: Convert to fraction form
    80,920.26/111,674.82 = 45,110.25/x
  3. Step 3: Cross multiply
    80,920.26x = 111,674.82 × 45,110.25
  4. Step 4: Simplify right side
    80,920.26x = 5,037,679,048.91
  5. Step 5: Solve for x
    x = 5,037,679,048.91/80,920.26
  6. Step 6: Final answer
    x = 62,254.85

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1.5x scale

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.