Home / 106,399.31-146,829.44-58,651.62

Finding the Fourth Proportional to 106,399.31, 146,829.44 and 58,651.62

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Solution

The fourth proportional to 106,399.31, 146,829.44 and 58,651.62 is: 80,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,399.31 : 146,829.44 = 58,651.62 : x
  2. Step 2: Convert to fraction form
    106,399.31/146,829.44 = 58,651.62/x
  3. Step 3: Cross multiply
    106,399.31x = 146,829.44 × 58,651.62
  4. Step 4: Simplify right side
    106,399.31x = 8,611,784,226.43
  5. Step 5: Solve for x
    x = 8,611,784,226.43/106,399.31
  6. Step 6: Final answer
    x = 80,938.35

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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.