Home / 80,895.25-111,639.26-45,085.52

Finding the Fourth Proportional to 80,895.25, 111,639.26 and 45,085.52

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Solution

The fourth proportional to 80,895.25, 111,639.26 and 45,085.52 is: 62,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,895.25 : 111,639.26 = 45,085.52 : x
  2. Step 2: Convert to fraction form
    80,895.25/111,639.26 = 45,085.52/x
  3. Step 3: Cross multiply
    80,895.25x = 111,639.26 × 45,085.52
  4. Step 4: Simplify right side
    80,895.25x = 5,033,313,789.20
  5. Step 5: Solve for x
    x = 5,033,313,789.20/80,895.25
  6. Step 6: Final answer
    x = 62,220.14

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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.