Home / 110,025.33-151,857.09-71,791.10

Finding the Fourth Proportional to 110,025.33, 151,857.09 and 71,791.10

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Solution

The fourth proportional to 110,025.33, 151,857.09 and 71,791.10 is: 99,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,025.33 : 151,857.09 = 71,791.10 : x
  2. Step 2: Convert to fraction form
    110,025.33/151,857.09 = 71,791.10/x
  3. Step 3: Cross multiply
    110,025.33x = 151,857.09 × 71,791.10
  4. Step 4: Simplify right side
    110,025.33x = 10,901,987,533.90
  5. Step 5: Solve for x
    x = 10,901,987,533.90/110,025.33
  6. Step 6: Final answer
    x = 99,086.16

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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.