Home / 80,263.82-110,727.33-51,978.62

Finding the Fourth Proportional to 80,263.82, 110,727.33 and 51,978.62

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Solution

The fourth proportional to 80,263.82, 110,727.33 and 51,978.62 is: 71,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,263.82 : 110,727.33 = 51,978.62 : x
  2. Step 2: Convert to fraction form
    80,263.82/110,727.33 = 51,978.62/x
  3. Step 3: Cross multiply
    80,263.82x = 110,727.33 × 51,978.62
  4. Step 4: Simplify right side
    80,263.82x = 5,755,453,809.68
  5. Step 5: Solve for x
    x = 5,755,453,809.68/80,263.82
  6. Step 6: Final answer
    x = 71,706.70

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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.