Home / 109,918.44-151,662.24-62,161.38

Finding the Fourth Proportional to 109,918.44, 151,662.24 and 62,161.38

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Solution

The fourth proportional to 109,918.44, 151,662.24 and 62,161.38 is: 85,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,918.44 : 151,662.24 = 62,161.38 : x
  2. Step 2: Convert to fraction form
    109,918.44/151,662.24 = 62,161.38/x
  3. Step 3: Cross multiply
    109,918.44x = 151,662.24 × 62,161.38
  4. Step 4: Simplify right side
    109,918.44x = 9,427,534,132.29
  5. Step 5: Solve for x
    x = 9,427,534,132.29/109,918.44
  6. Step 6: Final answer
    x = 85,768.45

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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.