Home / 107,706.82-161,560.32-51,533.68

Finding the Fourth Proportional to 107,706.82, 161,560.32 and 51,533.68

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Solution

The fourth proportional to 107,706.82, 161,560.32 and 51,533.68 is: 77,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,706.82 : 161,560.32 = 51,533.68 : x
  2. Step 2: Convert to fraction form
    107,706.82/161,560.32 = 51,533.68/x
  3. Step 3: Cross multiply
    107,706.82x = 161,560.32 × 51,533.68
  4. Step 4: Simplify right side
    107,706.82x = 8,325,797,831.58
  5. Step 5: Solve for x
    x = 8,325,797,831.58/107,706.82
  6. Step 6: Final answer
    x = 77,300.56

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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.