Home / 84,255.53-126,309.24-34,377.62

Finding the Fourth Proportional to 84,255.53, 126,309.24 and 34,377.62

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Solution

The fourth proportional to 84,255.53, 126,309.24 and 34,377.62 is: 51,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,255.53 : 126,309.24 = 34,377.62 : x
  2. Step 2: Convert to fraction form
    84,255.53/126,309.24 = 34,377.62/x
  3. Step 3: Cross multiply
    84,255.53x = 126,309.24 × 34,377.62
  4. Step 4: Simplify right side
    84,255.53x = 4,342,210,423.66
  5. Step 5: Solve for x
    x = 4,342,210,423.66/84,255.53
  6. Step 6: Final answer
    x = 51,536.21

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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.