Home / 102,998.45-154,597.56-49,727.99

Finding the Fourth Proportional to 102,998.45, 154,597.56 and 49,727.99

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Solution

The fourth proportional to 102,998.45, 154,597.56 and 49,727.99 is: 74,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,998.45 : 154,597.56 = 49,727.99 : x
  2. Step 2: Convert to fraction form
    102,998.45/154,597.56 = 49,727.99/x
  3. Step 3: Cross multiply
    102,998.45x = 154,597.56 × 49,727.99
  4. Step 4: Simplify right side
    102,998.45x = 7,687,825,917.70
  5. Step 5: Solve for x
    x = 7,687,825,917.70/102,998.45
  6. Step 6: Final answer
    x = 74,640.21

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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.