Home / 74,171.88-111,317.61-38,644.07

Finding the Fourth Proportional to 74,171.88, 111,317.61 and 38,644.07

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Solution

The fourth proportional to 74,171.88, 111,317.61 and 38,644.07 is: 57,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,171.88 : 111,317.61 = 38,644.07 : x
  2. Step 2: Convert to fraction form
    74,171.88/111,317.61 = 38,644.07/x
  3. Step 3: Cross multiply
    74,171.88x = 111,317.61 × 38,644.07
  4. Step 4: Simplify right side
    74,171.88x = 4,301,764,956.48
  5. Step 5: Solve for x
    x = 4,301,764,956.48/74,171.88
  6. Step 6: Final answer
    x = 57,997.25

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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.