Home / 80,735.52-111,355.44-55,593.12

Finding the Fourth Proportional to 80,735.52, 111,355.44 and 55,593.12

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Solution

The fourth proportional to 80,735.52, 111,355.44 and 55,593.12 is: 76,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,735.52 : 111,355.44 = 55,593.12 : x
  2. Step 2: Convert to fraction form
    80,735.52/111,355.44 = 55,593.12/x
  3. Step 3: Cross multiply
    80,735.52x = 111,355.44 × 55,593.12
  4. Step 4: Simplify right side
    80,735.52x = 6,190,596,338.57
  5. Step 5: Solve for x
    x = 6,190,596,338.57/80,735.52
  6. Step 6: Final answer
    x = 76,677.48

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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.