Home / 90,055.36-135,109.12-27,735.04

Finding the Fourth Proportional to 90,055.36, 135,109.12 and 27,735.04

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Solution

The fourth proportional to 90,055.36, 135,109.12 and 27,735.04 is: 41,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,055.36 : 135,109.12 = 27,735.04 : x
  2. Step 2: Convert to fraction form
    90,055.36/135,109.12 = 27,735.04/x
  3. Step 3: Cross multiply
    90,055.36x = 135,109.12 × 27,735.04
  4. Step 4: Simplify right side
    90,055.36x = 3,747,256,847.56
  5. Step 5: Solve for x
    x = 3,747,256,847.56/90,055.36
  6. Step 6: Final answer
    x = 41,610.59

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1.5x scale

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.