Home / 69,972.15-105,002.43-36,716.09

Finding the Fourth Proportional to 69,972.15, 105,002.43 and 36,716.09

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Solution

The fourth proportional to 69,972.15, 105,002.43 and 36,716.09 is: 55,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.15 : 105,002.43 = 36,716.09 : x
  2. Step 2: Convert to fraction form
    69,972.15/105,002.43 = 36,716.09/x
  3. Step 3: Cross multiply
    69,972.15x = 105,002.43 × 36,716.09
  4. Step 4: Simplify right side
    69,972.15x = 3,855,278,007.40
  5. Step 5: Solve for x
    x = 3,855,278,007.40/69,972.15
  6. Step 6: Final answer
    x = 55,097.32

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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.