Home / 86,046.07-129,102.20-41,669.41

Finding the Fourth Proportional to 86,046.07, 129,102.20 and 41,669.41

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Solution

The fourth proportional to 86,046.07, 129,102.20 and 41,669.41 is: 62,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,046.07 : 129,102.20 = 41,669.41 : x
  2. Step 2: Convert to fraction form
    86,046.07/129,102.20 = 41,669.41/x
  3. Step 3: Cross multiply
    86,046.07x = 129,102.20 × 41,669.41
  4. Step 4: Simplify right side
    86,046.07x = 5,379,612,503.70
  5. Step 5: Solve for x
    x = 5,379,612,503.70/86,046.07
  6. Step 6: Final answer
    x = 62,520.14

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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.