Home / 84,389.41-126,611.81-34,511.43

Finding the Fourth Proportional to 84,389.41, 126,611.81 and 34,511.43

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Solution

The fourth proportional to 84,389.41, 126,611.81 and 34,511.43 is: 51,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,389.41 : 126,611.81 = 34,511.43 : x
  2. Step 2: Convert to fraction form
    84,389.41/126,611.81 = 34,511.43/x
  3. Step 3: Cross multiply
    84,389.41x = 126,611.81 × 34,511.43
  4. Step 4: Simplify right side
    84,389.41x = 4,369,555,049.64
  5. Step 5: Solve for x
    x = 4,369,555,049.64/84,389.41
  6. Step 6: Final answer
    x = 51,778.48

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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.