Home / 45,765.60-68,662.26-19,124.52

Finding the Fourth Proportional to 45,765.60, 68,662.26 and 19,124.52

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Solution

The fourth proportional to 45,765.60, 68,662.26 and 19,124.52 is: 28,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,765.60 : 68,662.26 = 19,124.52 : x
  2. Step 2: Convert to fraction form
    45,765.60/68,662.26 = 19,124.52/x
  3. Step 3: Cross multiply
    45,765.60x = 68,662.26 × 19,124.52
  4. Step 4: Simplify right side
    45,765.60x = 1,313,132,764.62
  5. Step 5: Solve for x
    x = 1,313,132,764.62/45,765.60
  6. Step 6: Final answer
    x = 28,692.57

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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.