Home / 81,600.44-122,162.99-60,633.45

Finding the Fourth Proportional to 81,600.44, 122,162.99 and 60,633.45

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Solution

The fourth proportional to 81,600.44, 122,162.99 and 60,633.45 is: 90,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,600.44 : 122,162.99 = 60,633.45 : x
  2. Step 2: Convert to fraction form
    81,600.44/122,162.99 = 60,633.45/x
  3. Step 3: Cross multiply
    81,600.44x = 122,162.99 × 60,633.45
  4. Step 4: Simplify right side
    81,600.44x = 7,407,163,242.85
  5. Step 5: Solve for x
    x = 7,407,163,242.85/81,600.44
  6. Step 6: Final answer
    x = 90,773.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.