Home / 80,427.64-110,917.44-50,215.72

Finding the Fourth Proportional to 80,427.64, 110,917.44 and 50,215.72

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Solution

The fourth proportional to 80,427.64, 110,917.44 and 50,215.72 is: 69,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,427.64 : 110,917.44 = 50,215.72 : x
  2. Step 2: Convert to fraction form
    80,427.64/110,917.44 = 50,215.72/x
  3. Step 3: Cross multiply
    80,427.64x = 110,917.44 × 50,215.72
  4. Step 4: Simplify right side
    80,427.64x = 5,569,799,110.16
  5. Step 5: Solve for x
    x = 5,569,799,110.16/80,427.64
  6. Step 6: Final answer
    x = 69,252.30

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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.