Home / 89,051.26-133,578.62-41,640.21

Finding the Fourth Proportional to 89,051.26, 133,578.62 and 41,640.21

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Solution

The fourth proportional to 89,051.26, 133,578.62 and 41,640.21 is: 62,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,051.26 : 133,578.62 = 41,640.21 : x
  2. Step 2: Convert to fraction form
    89,051.26/133,578.62 = 41,640.21/x
  3. Step 3: Cross multiply
    89,051.26x = 133,578.62 × 41,640.21
  4. Step 4: Simplify right side
    89,051.26x = 5,562,241,788.31
  5. Step 5: Solve for x
    x = 5,562,241,788.31/89,051.26
  6. Step 6: Final answer
    x = 62,461.12

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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.