Home / 107,725.29-161,284.13-57,009.44

Finding the Fourth Proportional to 107,725.29, 161,284.13 and 57,009.44

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Solution

The fourth proportional to 107,725.29, 161,284.13 and 57,009.44 is: 85,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.29 : 161,284.13 = 57,009.44 : x
  2. Step 2: Convert to fraction form
    107,725.29/161,284.13 = 57,009.44/x
  3. Step 3: Cross multiply
    107,725.29x = 161,284.13 × 57,009.44
  4. Step 4: Simplify right side
    107,725.29x = 9,194,717,932.19
  5. Step 5: Solve for x
    x = 9,194,717,932.19/107,725.29
  6. Step 6: Final answer
    x = 85,353.39

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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.