Home / 107,761.68-161,645.16-36,684.18

Finding the Fourth Proportional to 107,761.68, 161,645.16 and 36,684.18

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Solution

The fourth proportional to 107,761.68, 161,645.16 and 36,684.18 is: 55,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,761.68 : 161,645.16 = 36,684.18 : x
  2. Step 2: Convert to fraction form
    107,761.68/161,645.16 = 36,684.18/x
  3. Step 3: Cross multiply
    107,761.68x = 161,645.16 × 36,684.18
  4. Step 4: Simplify right side
    107,761.68x = 5,929,820,145.57
  5. Step 5: Solve for x
    x = 5,929,820,145.57/107,761.68
  6. Step 6: Final answer
    x = 55,027.17

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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.