Home / 43,292.82-64,949.07-13,712.50

Finding the Fourth Proportional to 43,292.82, 64,949.07 and 13,712.50

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Solution

The fourth proportional to 43,292.82, 64,949.07 and 13,712.50 is: 20,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292.82 : 64,949.07 = 13,712.50 : x
  2. Step 2: Convert to fraction form
    43,292.82/64,949.07 = 13,712.50/x
  3. Step 3: Cross multiply
    43,292.82x = 64,949.07 × 13,712.50
  4. Step 4: Simplify right side
    43,292.82x = 890,614,122.38
  5. Step 5: Solve for x
    x = 890,614,122.38/43,292.82
  6. Step 6: Final answer
    x = 20,571.87

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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.