Home / 73,172.04-109,736.38-31,051.56

Finding the Fourth Proportional to 73,172.04, 109,736.38 and 31,051.56

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Solution

The fourth proportional to 73,172.04, 109,736.38 and 31,051.56 is: 46,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,172.04 : 109,736.38 = 31,051.56 : x
  2. Step 2: Convert to fraction form
    73,172.04/109,736.38 = 31,051.56/x
  3. Step 3: Cross multiply
    73,172.04x = 109,736.38 × 31,051.56
  4. Step 4: Simplify right side
    73,172.04x = 3,407,485,787.75
  5. Step 5: Solve for x
    x = 3,407,485,787.75/73,172.04
  6. Step 6: Final answer
    x = 46,568.14

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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.