Home / 80,215.62-110,749.77-51,546.32

Finding the Fourth Proportional to 80,215.62, 110,749.77 and 51,546.32

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Solution

The fourth proportional to 80,215.62, 110,749.77 and 51,546.32 is: 71,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,215.62 : 110,749.77 = 51,546.32 : x
  2. Step 2: Convert to fraction form
    80,215.62/110,749.77 = 51,546.32/x
  3. Step 3: Cross multiply
    80,215.62x = 110,749.77 × 51,546.32
  4. Step 4: Simplify right side
    80,215.62x = 5,708,743,810.50
  5. Step 5: Solve for x
    x = 5,708,743,810.50/80,215.62
  6. Step 6: Final answer
    x = 71,167.49

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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.