Home / 73,898.20-101,979.60-42,067.07

Finding the Fourth Proportional to 73,898.20, 101,979.60 and 42,067.07

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Solution

The fourth proportional to 73,898.20, 101,979.60 and 42,067.07 is: 58,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.20 : 101,979.60 = 42,067.07 : x
  2. Step 2: Convert to fraction form
    73,898.20/101,979.60 = 42,067.07/x
  3. Step 3: Cross multiply
    73,898.20x = 101,979.60 × 42,067.07
  4. Step 4: Simplify right side
    73,898.20x = 4,289,982,461.87
  5. Step 5: Solve for x
    x = 4,289,982,461.87/73,898.20
  6. Step 6: Final answer
    x = 58,052.60

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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.