Home / 106,122.91-146,453.48-58,379.89

Finding the Fourth Proportional to 106,122.91, 146,453.48 and 58,379.89

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Solution

The fourth proportional to 106,122.91, 146,453.48 and 58,379.89 is: 80,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.91 : 146,453.48 = 58,379.89 : x
  2. Step 2: Convert to fraction form
    106,122.91/146,453.48 = 58,379.89/x
  3. Step 3: Cross multiply
    106,122.91x = 146,453.48 × 58,379.89
  4. Step 4: Simplify right side
    106,122.91x = 8,549,938,052.52
  5. Step 5: Solve for x
    x = 8,549,938,052.52/106,122.91
  6. Step 6: Final answer
    x = 80,566.37

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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.