Home / 106,213.28-146,578.50-58,471.07

Finding the Fourth Proportional to 106,213.28, 146,578.50 and 58,471.07

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Solution

The fourth proportional to 106,213.28, 146,578.50 and 58,471.07 is: 80,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,213.28 : 146,578.50 = 58,471.07 : x
  2. Step 2: Convert to fraction form
    106,213.28/146,578.50 = 58,471.07/x
  3. Step 3: Cross multiply
    106,213.28x = 146,578.50 × 58,471.07
  4. Step 4: Simplify right side
    106,213.28x = 8,570,601,001.10
  5. Step 5: Solve for x
    x = 8,570,601,001.10/106,213.28
  6. Step 6: Final answer
    x = 80,692.37

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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.