Home / 106,391.44-146,821.20-58,646.50

Finding the Fourth Proportional to 106,391.44, 146,821.20 and 58,646.50

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Solution

The fourth proportional to 106,391.44, 146,821.20 and 58,646.50 is: 80,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,391.44 : 146,821.20 = 58,646.50 : x
  2. Step 2: Convert to fraction form
    106,391.44/146,821.20 = 58,646.50/x
  3. Step 3: Cross multiply
    106,391.44x = 146,821.20 × 58,646.50
  4. Step 4: Simplify right side
    106,391.44x = 8,610,548,918.82
  5. Step 5: Solve for x
    x = 8,610,548,918.82/106,391.44
  6. Step 6: Final answer
    x = 80,932.72

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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.