Home / 90,057.44-134,975.44-50,531.51

Finding the Fourth Proportional to 90,057.44, 134,975.44 and 50,531.51

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Solution

The fourth proportional to 90,057.44, 134,975.44 and 50,531.51 is: 75,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,057.44 : 134,975.44 = 50,531.51 : x
  2. Step 2: Convert to fraction form
    90,057.44/134,975.44 = 50,531.51/x
  3. Step 3: Cross multiply
    90,057.44x = 134,975.44 × 50,531.51
  4. Step 4: Simplify right side
    90,057.44x = 6,820,513,165.56
  5. Step 5: Solve for x
    x = 6,820,513,165.56/90,057.44
  6. Step 6: Final answer
    x = 75,735.14

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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.