Home / 95,191.36-131,361.84-54,905.20

Finding the Fourth Proportional to 95,191.36, 131,361.84 and 54,905.20

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Solution

The fourth proportional to 95,191.36, 131,361.84 and 54,905.20 is: 75,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,191.36 : 131,361.84 = 54,905.20 : x
  2. Step 2: Convert to fraction form
    95,191.36/131,361.84 = 54,905.20/x
  3. Step 3: Cross multiply
    95,191.36x = 131,361.84 × 54,905.20
  4. Step 4: Simplify right side
    95,191.36x = 7,212,448,097.57
  5. Step 5: Solve for x
    x = 7,212,448,097.57/95,191.36
  6. Step 6: Final answer
    x = 75,767.89

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1.5x scale

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.