Home / 104,517.21-156,765.13-28,622.50

Finding the Fourth Proportional to 104,517.21, 156,765.13 and 28,622.50

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Solution

The fourth proportional to 104,517.21, 156,765.13 and 28,622.50 is: 42,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.21 : 156,765.13 = 28,622.50 : x
  2. Step 2: Convert to fraction form
    104,517.21/156,765.13 = 28,622.50/x
  3. Step 3: Cross multiply
    104,517.21x = 156,765.13 × 28,622.50
  4. Step 4: Simplify right side
    104,517.21x = 4,487,009,006.49
  5. Step 5: Solve for x
    x = 4,487,009,006.49/104,517.21
  6. Step 6: Final answer
    x = 42,930.82

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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.