Home / 115,742.32-173,629.62-35,786.81

Finding the Fourth Proportional to 115,742.32, 173,629.62 and 35,786.81

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Solution

The fourth proportional to 115,742.32, 173,629.62 and 35,786.81 is: 53,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,742.32 : 173,629.62 = 35,786.81 : x
  2. Step 2: Convert to fraction form
    115,742.32/173,629.62 = 35,786.81/x
  3. Step 3: Cross multiply
    115,742.32x = 173,629.62 × 35,786.81
  4. Step 4: Simplify right side
    115,742.32x = 6,213,650,655.39
  5. Step 5: Solve for x
    x = 6,213,650,655.39/115,742.32
  6. Step 6: Final answer
    x = 53,685.21

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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.