Home / 80,977.94-111,749.26-45,167.92

Finding the Fourth Proportional to 80,977.94, 111,749.26 and 45,167.92

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Solution

The fourth proportional to 80,977.94, 111,749.26 and 45,167.92 is: 62,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,977.94 : 111,749.26 = 45,167.92 : x
  2. Step 2: Convert to fraction form
    80,977.94/111,749.26 = 45,167.92/x
  3. Step 3: Cross multiply
    80,977.94x = 111,749.26 × 45,167.92
  4. Step 4: Simplify right side
    80,977.94x = 5,047,481,635.74
  5. Step 5: Solve for x
    x = 5,047,481,635.74/80,977.94
  6. Step 6: Final answer
    x = 62,331.56

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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.