Home / 123,541.10-185,311.65-44,657.90

Finding the Fourth Proportional to 123,541.10, 185,311.65 and 44,657.90

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Solution

The fourth proportional to 123,541.10, 185,311.65 and 44,657.90 is: 66,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,541.10 : 185,311.65 = 44,657.90 : x
  2. Step 2: Convert to fraction form
    123,541.10/185,311.65 = 44,657.90/x
  3. Step 3: Cross multiply
    123,541.10x = 185,311.65 × 44,657.90
  4. Step 4: Simplify right side
    123,541.10x = 8,275,629,134.54
  5. Step 5: Solve for x
    x = 8,275,629,134.54/123,541.10
  6. Step 6: Final answer
    x = 66,986.85

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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.