Home / 217,939.62-326,908.95-58,015.59

Finding the Fourth Proportional to 217,939.62, 326,908.95 and 58,015.59

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Solution

The fourth proportional to 217,939.62, 326,908.95 and 58,015.59 is: 87,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,939.62 : 326,908.95 = 58,015.59 : x
  2. Step 2: Convert to fraction form
    217,939.62/326,908.95 = 58,015.59/x
  3. Step 3: Cross multiply
    217,939.62x = 326,908.95 × 58,015.59
  4. Step 4: Simplify right side
    217,939.62x = 18,965,815,610.53
  5. Step 5: Solve for x
    x = 18,965,815,610.53/217,939.62
  6. Step 6: Final answer
    x = 87,023.26

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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.