Home / 107,696.37-161,544.51-28,808.55

Finding the Fourth Proportional to 107,696.37, 161,544.51 and 28,808.55

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Solution

The fourth proportional to 107,696.37, 161,544.51 and 28,808.55 is: 43,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,696.37 : 161,544.51 = 28,808.55 : x
  2. Step 2: Convert to fraction form
    107,696.37/161,544.51 = 28,808.55/x
  3. Step 3: Cross multiply
    107,696.37x = 161,544.51 × 28,808.55
  4. Step 4: Simplify right side
    107,696.37x = 4,653,863,093.56
  5. Step 5: Solve for x
    x = 4,653,863,093.56/107,696.37
  6. Step 6: Final answer
    x = 43,212.81

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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.