Home / 115,035.33-172,570.41-36,142.14

Finding the Fourth Proportional to 115,035.33, 172,570.41 and 36,142.14

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Solution

The fourth proportional to 115,035.33, 172,570.41 and 36,142.14 is: 54,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,035.33 : 172,570.41 = 36,142.14 : x
  2. Step 2: Convert to fraction form
    115,035.33/172,570.41 = 36,142.14/x
  3. Step 3: Cross multiply
    115,035.33x = 172,570.41 × 36,142.14
  4. Step 4: Simplify right side
    115,035.33x = 6,237,063,918.08
  5. Step 5: Solve for x
    x = 6,237,063,918.08/115,035.33
  6. Step 6: Final answer
    x = 54,218.68

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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.