Home / 106,443.62-146,893.16-61,120.91

Finding the Fourth Proportional to 106,443.62, 146,893.16 and 61,120.91

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Solution

The fourth proportional to 106,443.62, 146,893.16 and 61,120.91 is: 84,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,443.62 : 146,893.16 = 61,120.91 : x
  2. Step 2: Convert to fraction form
    106,443.62/146,893.16 = 61,120.91/x
  3. Step 3: Cross multiply
    106,443.62x = 146,893.16 × 61,120.91
  4. Step 4: Simplify right side
    106,443.62x = 8,978,244,132.01
  5. Step 5: Solve for x
    x = 8,978,244,132.01/106,443.62
  6. Step 6: Final answer
    x = 84,347.42

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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.