Home / 84,116.34-126,137.88-24,131.58

Finding the Fourth Proportional to 84,116.34, 126,137.88 and 24,131.58

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Solution

The fourth proportional to 84,116.34, 126,137.88 and 24,131.58 is: 36,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,116.34 : 126,137.88 = 24,131.58 : x
  2. Step 2: Convert to fraction form
    84,116.34/126,137.88 = 24,131.58/x
  3. Step 3: Cross multiply
    84,116.34x = 126,137.88 × 24,131.58
  4. Step 4: Simplify right side
    84,116.34x = 3,043,906,342.25
  5. Step 5: Solve for x
    x = 3,043,906,342.25/84,116.34
  6. Step 6: Final answer
    x = 36,186.86

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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.