Home / 107,716.78-161,575.18-28,828.96

Finding the Fourth Proportional to 107,716.78, 161,575.18 and 28,828.96

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Solution

The fourth proportional to 107,716.78, 161,575.18 and 28,828.96 is: 43,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,716.78 : 161,575.18 = 28,828.96 : x
  2. Step 2: Convert to fraction form
    107,716.78/161,575.18 = 28,828.96/x
  3. Step 3: Cross multiply
    107,716.78x = 161,575.18 × 28,828.96
  4. Step 4: Simplify right side
    107,716.78x = 4,658,043,925.20
  5. Step 5: Solve for x
    x = 4,658,043,925.20/107,716.78
  6. Step 6: Final answer
    x = 43,243.44

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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.