Home / 73,083.60-109,578.42-28,715.04

Finding the Fourth Proportional to 73,083.60, 109,578.42 and 28,715.04

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Solution

The fourth proportional to 73,083.60, 109,578.42 and 28,715.04 is: 43,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,083.60 : 109,578.42 = 28,715.04 : x
  2. Step 2: Convert to fraction form
    73,083.60/109,578.42 = 28,715.04/x
  3. Step 3: Cross multiply
    73,083.60x = 109,578.42 × 28,715.04
  4. Step 4: Simplify right side
    73,083.60x = 3,146,548,713.44
  5. Step 5: Solve for x
    x = 3,146,548,713.44/73,083.60
  6. Step 6: Final answer
    x = 43,054.10

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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.