Home / 63,151.25-87,138.79-36,288.56

Finding the Fourth Proportional to 63,151.25, 87,138.79 and 36,288.56

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Solution

The fourth proportional to 63,151.25, 87,138.79 and 36,288.56 is: 50,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,151.25 : 87,138.79 = 36,288.56 : x
  2. Step 2: Convert to fraction form
    63,151.25/87,138.79 = 36,288.56/x
  3. Step 3: Cross multiply
    63,151.25x = 87,138.79 × 36,288.56
  4. Step 4: Simplify right side
    63,151.25x = 3,162,141,209.24
  5. Step 5: Solve for x
    x = 3,162,141,209.24/63,151.25
  6. Step 6: Final answer
    x = 50,072.50

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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.