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Finding the Fourth Proportional to 80,011.50, 120,023.44 and 23,847.31

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Solution

The fourth proportional to 80,011.50, 120,023.44 and 23,847.31 is: 35,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,011.50 : 120,023.44 = 23,847.31 : x
  2. Step 2: Convert to fraction form
    80,011.50/120,023.44 = 23,847.31/x
  3. Step 3: Cross multiply
    80,011.50x = 120,023.44 × 23,847.31
  4. Step 4: Simplify right side
    80,011.50x = 2,862,236,271.36
  5. Step 5: Solve for x
    x = 2,862,236,271.36/80,011.50
  6. Step 6: Final answer
    x = 35,772.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.