Home / 80,899.08-111,614.34-45,082.32

Finding the Fourth Proportional to 80,899.08, 111,614.34 and 45,082.32

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Solution

The fourth proportional to 80,899.08, 111,614.34 and 45,082.32 is: 62,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,899.08 : 111,614.34 = 45,082.32 : x
  2. Step 2: Convert to fraction form
    80,899.08/111,614.34 = 45,082.32/x
  3. Step 3: Cross multiply
    80,899.08x = 111,614.34 × 45,082.32
  4. Step 4: Simplify right side
    80,899.08x = 5,031,833,392.47
  5. Step 5: Solve for x
    x = 5,031,833,392.47/80,899.08
  6. Step 6: Final answer
    x = 62,198.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.