Home / 107,942.59-161,960.64-57,964.33

Finding the Fourth Proportional to 107,942.59, 161,960.64 and 57,964.33

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Solution

The fourth proportional to 107,942.59, 161,960.64 and 57,964.33 is: 86,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,942.59 : 161,960.64 = 57,964.33 : x
  2. Step 2: Convert to fraction form
    107,942.59/161,960.64 = 57,964.33/x
  3. Step 3: Cross multiply
    107,942.59x = 161,960.64 × 57,964.33
  4. Step 4: Simplify right side
    107,942.59x = 9,387,939,983.97
  5. Step 5: Solve for x
    x = 9,387,939,983.97/107,942.59
  6. Step 6: Final answer
    x = 86,971.60

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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.