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Finding the Fourth Proportional to 80,438.01, 120,652.08 and 36,052.84

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Solution

The fourth proportional to 80,438.01, 120,652.08 and 36,052.84 is: 54,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,438.01 : 120,652.08 = 36,052.84 : x
  2. Step 2: Convert to fraction form
    80,438.01/120,652.08 = 36,052.84/x
  3. Step 3: Cross multiply
    80,438.01x = 120,652.08 × 36,052.84
  4. Step 4: Simplify right side
    80,438.01x = 4,349,850,135.91
  5. Step 5: Solve for x
    x = 4,349,850,135.91/80,438.01
  6. Step 6: Final answer
    x = 54,077.05

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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.