Home / 80,462.12-120,591.04-36,087.08

Finding the Fourth Proportional to 80,462.12, 120,591.04 and 36,087.08

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Solution

The fourth proportional to 80,462.12, 120,591.04 and 36,087.08 is: 54,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,462.12 : 120,591.04 = 36,087.08 : x
  2. Step 2: Convert to fraction form
    80,462.12/120,591.04 = 36,087.08/x
  3. Step 3: Cross multiply
    80,462.12x = 120,591.04 × 36,087.08
  4. Step 4: Simplify right side
    80,462.12x = 4,351,778,507.76
  5. Step 5: Solve for x
    x = 4,351,778,507.76/80,462.12
  6. Step 6: Final answer
    x = 54,084.81

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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.