Home / 80,036.35-119,971.10-30,082.03

Finding the Fourth Proportional to 80,036.35, 119,971.10 and 30,082.03

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Solution

The fourth proportional to 80,036.35, 119,971.10 and 30,082.03 is: 45,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.35 : 119,971.10 = 30,082.03 : x
  2. Step 2: Convert to fraction form
    80,036.35/119,971.10 = 30,082.03/x
  3. Step 3: Cross multiply
    80,036.35x = 119,971.10 × 30,082.03
  4. Step 4: Simplify right side
    80,036.35x = 3,608,974,078.92
  5. Step 5: Solve for x
    x = 3,608,974,078.92/80,036.35
  6. Step 6: Final answer
    x = 45,091.69

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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.