Home / 81,179.43-112,027.23-45,369.42

Finding the Fourth Proportional to 81,179.43, 112,027.23 and 45,369.42

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Solution

The fourth proportional to 81,179.43, 112,027.23 and 45,369.42 is: 62,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,179.43 : 112,027.23 = 45,369.42 : x
  2. Step 2: Convert to fraction form
    81,179.43/112,027.23 = 45,369.42/x
  3. Step 3: Cross multiply
    81,179.43x = 112,027.23 × 45,369.42
  4. Step 4: Simplify right side
    81,179.43x = 5,082,610,449.31
  5. Step 5: Solve for x
    x = 5,082,610,449.31/81,179.43
  6. Step 6: Final answer
    x = 62,609.59

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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.