Home / 118,419.32-177,755.43-50,984.75

Finding the Fourth Proportional to 118,419.32, 177,755.43 and 50,984.75

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Solution

The fourth proportional to 118,419.32, 177,755.43 and 50,984.75 is: 76,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,419.32 : 177,755.43 = 50,984.75 : x
  2. Step 2: Convert to fraction form
    118,419.32/177,755.43 = 50,984.75/x
  3. Step 3: Cross multiply
    118,419.32x = 177,755.43 × 50,984.75
  4. Step 4: Simplify right side
    118,419.32x = 9,062,816,159.69
  5. Step 5: Solve for x
    x = 9,062,816,159.69/118,419.32
  6. Step 6: Final answer
    x = 76,531.57

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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.