Home / 73,979.22-102,101.32-41,720.47

Finding the Fourth Proportional to 73,979.22, 102,101.32 and 41,720.47

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Solution

The fourth proportional to 73,979.22, 102,101.32 and 41,720.47 is: 57,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,979.22 : 102,101.32 = 41,720.47 : x
  2. Step 2: Convert to fraction form
    73,979.22/102,101.32 = 41,720.47/x
  3. Step 3: Cross multiply
    73,979.22x = 102,101.32 × 41,720.47
  4. Step 4: Simplify right side
    73,979.22x = 4,259,715,237.80
  5. Step 5: Solve for x
    x = 4,259,715,237.80/73,979.22
  6. Step 6: Final answer
    x = 57,579.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.