Home / 106,500.48-146,977.92-61,788.48

Finding the Fourth Proportional to 106,500.48, 146,977.92 and 61,788.48

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Solution

The fourth proportional to 106,500.48, 146,977.92 and 61,788.48 is: 85,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,500.48 : 146,977.92 = 61,788.48 : x
  2. Step 2: Convert to fraction form
    106,500.48/146,977.92 = 61,788.48/x
  3. Step 3: Cross multiply
    106,500.48x = 146,977.92 × 61,788.48
  4. Step 4: Simplify right side
    106,500.48x = 9,081,542,270.36
  5. Step 5: Solve for x
    x = 9,081,542,270.36/106,500.48
  6. Step 6: Final answer
    x = 85,272.31

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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.