Home / 107,782.16-161,691.60-36,697.28

Finding the Fourth Proportional to 107,782.16, 161,691.60 and 36,697.28

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Solution

The fourth proportional to 107,782.16, 161,691.60 and 36,697.28 is: 55,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,782.16 : 161,691.60 = 36,697.28 : x
  2. Step 2: Convert to fraction form
    107,782.16/161,691.60 = 36,697.28/x
  3. Step 3: Cross multiply
    107,782.16x = 161,691.60 × 36,697.28
  4. Step 4: Simplify right side
    107,782.16x = 5,933,641,918.85
  5. Step 5: Solve for x
    x = 5,933,641,918.85/107,782.16
  6. Step 6: Final answer
    x = 55,052.17

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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.