Home / 86,101.68-118,799.32-50,270.96

Finding the Fourth Proportional to 86,101.68, 118,799.32 and 50,270.96

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Solution

The fourth proportional to 86,101.68, 118,799.32 and 50,270.96 is: 69,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,101.68 : 118,799.32 = 50,270.96 : x
  2. Step 2: Convert to fraction form
    86,101.68/118,799.32 = 50,270.96/x
  3. Step 3: Cross multiply
    86,101.68x = 118,799.32 × 50,270.96
  4. Step 4: Simplify right side
    86,101.68x = 5,972,155,863.75
  5. Step 5: Solve for x
    x = 5,972,155,863.75/86,101.68
  6. Step 6: Final answer
    x = 69,361.66

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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.