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Finding the Fourth Proportional to 80,325.77, 110,799.24 and 51,682.74

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Solution

The fourth proportional to 80,325.77, 110,799.24 and 51,682.74 is: 71,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.77 : 110,799.24 = 51,682.74 : x
  2. Step 2: Convert to fraction form
    80,325.77/110,799.24 = 51,682.74/x
  3. Step 3: Cross multiply
    80,325.77x = 110,799.24 × 51,682.74
  4. Step 4: Simplify right side
    80,325.77x = 5,726,408,313.12
  5. Step 5: Solve for x
    x = 5,726,408,313.12/80,325.77
  6. Step 6: Final answer
    x = 71,289.81

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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.