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Finding the Fourth Proportional to 80,266.68, 120,407.94 and 27,669.24

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Solution

The fourth proportional to 80,266.68, 120,407.94 and 27,669.24 is: 41,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,266.68 : 120,407.94 = 27,669.24 : x
  2. Step 2: Convert to fraction form
    80,266.68/120,407.94 = 27,669.24/x
  3. Step 3: Cross multiply
    80,266.68x = 120,407.94 × 27,669.24
  4. Step 4: Simplify right side
    80,266.68x = 3,331,596,189.77
  5. Step 5: Solve for x
    x = 3,331,596,189.77/80,266.68
  6. Step 6: Final answer
    x = 41,506.59

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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.