Home / 99,737.36-149,481.09-49,831.37

Finding the Fourth Proportional to 99,737.36, 149,481.09 and 49,831.37

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Solution

The fourth proportional to 99,737.36, 149,481.09 and 49,831.37 is: 74,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.36 : 149,481.09 = 49,831.37 : x
  2. Step 2: Convert to fraction form
    99,737.36/149,481.09 = 49,831.37/x
  3. Step 3: Cross multiply
    99,737.36x = 149,481.09 × 49,831.37
  4. Step 4: Simplify right side
    99,737.36x = 7,448,846,756.39
  5. Step 5: Solve for x
    x = 7,448,846,756.39/99,737.36
  6. Step 6: Final answer
    x = 74,684.62

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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.