Home / 95,127.20-142,692.20-45,212.38

Finding the Fourth Proportional to 95,127.20, 142,692.20 and 45,212.38

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Solution

The fourth proportional to 95,127.20, 142,692.20 and 45,212.38 is: 67,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,127.20 : 142,692.20 = 45,212.38 : x
  2. Step 2: Convert to fraction form
    95,127.20/142,692.20 = 45,212.38/x
  3. Step 3: Cross multiply
    95,127.20x = 142,692.20 × 45,212.38
  4. Step 4: Simplify right side
    95,127.20x = 6,451,453,969.44
  5. Step 5: Solve for x
    x = 6,451,453,969.44/95,127.20
  6. Step 6: Final answer
    x = 67,819.24

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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.