Home / 81,599.14-112,614.66-49,800.16

Finding the Fourth Proportional to 81,599.14, 112,614.66 and 49,800.16

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Solution

The fourth proportional to 81,599.14, 112,614.66 and 49,800.16 is: 68,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,599.14 : 112,614.66 = 49,800.16 : x
  2. Step 2: Convert to fraction form
    81,599.14/112,614.66 = 49,800.16/x
  3. Step 3: Cross multiply
    81,599.14x = 112,614.66 × 49,800.16
  4. Step 4: Simplify right side
    81,599.14x = 5,608,228,086.35
  5. Step 5: Solve for x
    x = 5,608,228,086.35/81,599.14
  6. Step 6: Final answer
    x = 68,729.01

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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.