Home / 80,736.48-111,447.36-60,651.62

Finding the Fourth Proportional to 80,736.48, 111,447.36 and 60,651.62

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Solution

The fourth proportional to 80,736.48, 111,447.36 and 60,651.62 is: 83,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736.48 : 111,447.36 = 60,651.62 : x
  2. Step 2: Convert to fraction form
    80,736.48/111,447.36 = 60,651.62/x
  3. Step 3: Cross multiply
    80,736.48x = 111,447.36 × 60,651.62
  4. Step 4: Simplify right side
    80,736.48x = 6,759,462,789.41
  5. Step 5: Solve for x
    x = 6,759,462,789.41/80,736.48
  6. Step 6: Final answer
    x = 83,722.54

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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.