Home / 106,122.99-146,441.72-58,379.43

Finding the Fourth Proportional to 106,122.99, 146,441.72 and 58,379.43

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Solution

The fourth proportional to 106,122.99, 146,441.72 and 58,379.43 is: 80,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.99 : 146,441.72 = 58,379.43 : x
  2. Step 2: Convert to fraction form
    106,122.99/146,441.72 = 58,379.43/x
  3. Step 3: Cross multiply
    106,122.99x = 146,441.72 × 58,379.43
  4. Step 4: Simplify right side
    106,122.99x = 8,549,184,836.92
  5. Step 5: Solve for x
    x = 8,549,184,836.92/106,122.99
  6. Step 6: Final answer
    x = 80,559.21

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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.