Home / 71,819.36-99,199.60-50,692.94

Finding the Fourth Proportional to 71,819.36, 99,199.60 and 50,692.94

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Solution

The fourth proportional to 71,819.36, 99,199.60 and 50,692.94 is: 70,018.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819.36 : 99,199.60 = 50,692.94 : x
  2. Step 2: Convert to fraction form
    71,819.36/99,199.60 = 50,692.94/x
  3. Step 3: Cross multiply
    71,819.36x = 99,199.60 × 50,692.94
  4. Step 4: Simplify right side
    71,819.36x = 5,028,719,370.82
  5. Step 5: Solve for x
    x = 5,028,719,370.82/71,819.36
  6. Step 6: Final answer
    x = 70,018.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.