Home / 84,553.21-126,830.88-25,385.44

Finding the Fourth Proportional to 84,553.21, 126,830.88 and 25,385.44

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Solution

The fourth proportional to 84,553.21, 126,830.88 and 25,385.44 is: 38,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,553.21 : 126,830.88 = 25,385.44 : x
  2. Step 2: Convert to fraction form
    84,553.21/126,830.88 = 25,385.44/x
  3. Step 3: Cross multiply
    84,553.21x = 126,830.88 × 25,385.44
  4. Step 4: Simplify right side
    84,553.21x = 3,219,657,694.39
  5. Step 5: Solve for x
    x = 3,219,657,694.39/84,553.21
  6. Step 6: Final answer
    x = 38,078.48

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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.