Home / 81,550.34-122,183.88-44,136.17

Finding the Fourth Proportional to 81,550.34, 122,183.88 and 44,136.17

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Solution

The fourth proportional to 81,550.34, 122,183.88 and 44,136.17 is: 66,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,550.34 : 122,183.88 = 44,136.17 : x
  2. Step 2: Convert to fraction form
    81,550.34/122,183.88 = 44,136.17/x
  3. Step 3: Cross multiply
    81,550.34x = 122,183.88 × 44,136.17
  4. Step 4: Simplify right side
    81,550.34x = 5,392,727,888.02
  5. Step 5: Solve for x
    x = 5,392,727,888.02/81,550.34
  6. Step 6: Final answer
    x = 66,127.60

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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.