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Finding the Fourth Proportional to 80,637.48, 120,914.70 and 36,226.10

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Solution

The fourth proportional to 80,637.48, 120,914.70 and 36,226.10 is: 54,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637.48 : 120,914.70 = 36,226.10 : x
  2. Step 2: Convert to fraction form
    80,637.48/120,914.70 = 36,226.10/x
  3. Step 3: Cross multiply
    80,637.48x = 120,914.70 × 36,226.10
  4. Step 4: Simplify right side
    80,637.48x = 4,380,268,013.67
  5. Step 5: Solve for x
    x = 4,380,268,013.67/80,637.48
  6. Step 6: Final answer
    x = 54,320.50

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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.