Home / 80,900.49-111,643.22-45,092.80

Finding the Fourth Proportional to 80,900.49, 111,643.22 and 45,092.80

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Solution

The fourth proportional to 80,900.49, 111,643.22 and 45,092.80 is: 62,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,900.49 : 111,643.22 = 45,092.80 : x
  2. Step 2: Convert to fraction form
    80,900.49/111,643.22 = 45,092.80/x
  3. Step 3: Cross multiply
    80,900.49x = 111,643.22 × 45,092.80
  4. Step 4: Simplify right side
    80,900.49x = 5,034,305,390.82
  5. Step 5: Solve for x
    x = 5,034,305,390.82/80,900.49
  6. Step 6: Final answer
    x = 62,228.37

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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.