Home / 106,122.41-146,452.79-58,379.39

Finding the Fourth Proportional to 106,122.41, 146,452.79 and 58,379.39

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Solution

The fourth proportional to 106,122.41, 146,452.79 and 58,379.39 is: 80,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,122.41 : 146,452.79 = 58,379.39 : x
  2. Step 2: Convert to fraction form
    106,122.41/146,452.79 = 58,379.39/x
  3. Step 3: Cross multiply
    106,122.41x = 146,452.79 × 58,379.39
  4. Step 4: Simplify right side
    106,122.41x = 8,549,824,252.10
  5. Step 5: Solve for x
    x = 8,549,824,252.10/106,122.41
  6. Step 6: Final answer
    x = 80,565.68

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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.