Home / 124,976.80-187,481.40-61,829.20

Finding the Fourth Proportional to 124,976.80, 187,481.40 and 61,829.20

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Solution

The fourth proportional to 124,976.80, 187,481.40 and 61,829.20 is: 92,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.80 : 187,481.40 = 61,829.20 : x
  2. Step 2: Convert to fraction form
    124,976.80/187,481.40 = 61,829.20/x
  3. Step 3: Cross multiply
    124,976.80x = 187,481.40 × 61,829.20
  4. Step 4: Simplify right side
    124,976.80x = 11,591,824,976.88
  5. Step 5: Solve for x
    x = 11,591,824,976.88/124,976.80
  6. Step 6: Final answer
    x = 92,751.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.