Home / 106,439.82-146,893.62-58,693.14

Finding the Fourth Proportional to 106,439.82, 146,893.62 and 58,693.14

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Solution

The fourth proportional to 106,439.82, 146,893.62 and 58,693.14 is: 81,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.82 : 146,893.62 = 58,693.14 : x
  2. Step 2: Convert to fraction form
    106,439.82/146,893.62 = 58,693.14/x
  3. Step 3: Cross multiply
    106,439.82x = 146,893.62 × 58,693.14
  4. Step 4: Simplify right side
    106,439.82x = 8,621,647,803.77
  5. Step 5: Solve for x
    x = 8,621,647,803.77/106,439.82
  6. Step 6: Final answer
    x = 81,000.21

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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.