Home / 79,621.78-119,260.38-37,438.65

Finding the Fourth Proportional to 79,621.78, 119,260.38 and 37,438.65

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Solution

The fourth proportional to 79,621.78, 119,260.38 and 37,438.65 is: 56,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.78 : 119,260.38 = 37,438.65 : x
  2. Step 2: Convert to fraction form
    79,621.78/119,260.38 = 37,438.65/x
  3. Step 3: Cross multiply
    79,621.78x = 119,260.38 × 37,438.65
  4. Step 4: Simplify right side
    79,621.78x = 4,464,947,029.39
  5. Step 5: Solve for x
    x = 4,464,947,029.39/79,621.78
  6. Step 6: Final answer
    x = 56,076.96

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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.