Home / 84,256.53-126,310.74-34,378.62

Finding the Fourth Proportional to 84,256.53, 126,310.74 and 34,378.62

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Solution

The fourth proportional to 84,256.53, 126,310.74 and 34,378.62 is: 51,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,256.53 : 126,310.74 = 34,378.62 : x
  2. Step 2: Convert to fraction form
    84,256.53/126,310.74 = 34,378.62/x
  3. Step 3: Cross multiply
    84,256.53x = 126,310.74 × 34,378.62
  4. Step 4: Simplify right side
    84,256.53x = 4,342,388,932.38
  5. Step 5: Solve for x
    x = 4,342,388,932.38/84,256.53
  6. Step 6: Final answer
    x = 51,537.71

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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.