Home / 89,537.23-123,564.32-49,254.09

Finding the Fourth Proportional to 89,537.23, 123,564.32 and 49,254.09

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Solution

The fourth proportional to 89,537.23, 123,564.32 and 49,254.09 is: 67,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,537.23 : 123,564.32 = 49,254.09 : x
  2. Step 2: Convert to fraction form
    89,537.23/123,564.32 = 49,254.09/x
  3. Step 3: Cross multiply
    89,537.23x = 123,564.32 × 49,254.09
  4. Step 4: Simplify right side
    89,537.23x = 6,086,048,138.07
  5. Step 5: Solve for x
    x = 6,086,048,138.07/89,537.23
  6. Step 6: Final answer
    x = 67,972.26

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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.