Home / 107,564.91-161,367.89-40,999.47

Finding the Fourth Proportional to 107,564.91, 161,367.89 and 40,999.47

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Solution

The fourth proportional to 107,564.91, 161,367.89 and 40,999.47 is: 61,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,564.91 : 161,367.89 = 40,999.47 : x
  2. Step 2: Convert to fraction form
    107,564.91/161,367.89 = 40,999.47/x
  3. Step 3: Cross multiply
    107,564.91x = 161,367.89 × 40,999.47
  4. Step 4: Simplify right side
    107,564.91x = 6,615,997,760.02
  5. Step 5: Solve for x
    x = 6,615,997,760.02/107,564.91
  6. Step 6: Final answer
    x = 61,507.03

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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.