Home / 80,919.26-111,673.44-45,109.25

Finding the Fourth Proportional to 80,919.26, 111,673.44 and 45,109.25

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Solution

The fourth proportional to 80,919.26, 111,673.44 and 45,109.25 is: 62,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,919.26 : 111,673.44 = 45,109.25 : x
  2. Step 2: Convert to fraction form
    80,919.26/111,673.44 = 45,109.25/x
  3. Step 3: Cross multiply
    80,919.26x = 111,673.44 × 45,109.25
  4. Step 4: Simplify right side
    80,919.26x = 5,037,504,564.95
  5. Step 5: Solve for x
    x = 5,037,504,564.95/80,919.26
  6. Step 6: Final answer
    x = 62,253.47

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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.