Home / 44,121.20-66,181.80-19,173.20

Finding the Fourth Proportional to 44,121.20, 66,181.80 and 19,173.20

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Solution

The fourth proportional to 44,121.20, 66,181.80 and 19,173.20 is: 28,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,121.20 : 66,181.80 = 19,173.20 : x
  2. Step 2: Convert to fraction form
    44,121.20/66,181.80 = 19,173.20/x
  3. Step 3: Cross multiply
    44,121.20x = 66,181.80 × 19,173.20
  4. Step 4: Simplify right side
    44,121.20x = 1,268,916,887.76
  5. Step 5: Solve for x
    x = 1,268,916,887.76/44,121.20
  6. Step 6: Final answer
    x = 28,759.80

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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.