Home / 123,822.80-185,734.20-44,939.60

Finding the Fourth Proportional to 123,822.80, 185,734.20 and 44,939.60

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Solution

The fourth proportional to 123,822.80, 185,734.20 and 44,939.60 is: 67,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822.80 : 185,734.20 = 44,939.60 : x
  2. Step 2: Convert to fraction form
    123,822.80/185,734.20 = 44,939.60/x
  3. Step 3: Cross multiply
    123,822.80x = 185,734.20 × 44,939.60
  4. Step 4: Simplify right side
    123,822.80x = 8,346,820,654.32
  5. Step 5: Solve for x
    x = 8,346,820,654.32/123,822.80
  6. Step 6: Final answer
    x = 67,409.40

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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.