Home / 68,458.17-102,725.90-36,867.56

Finding the Fourth Proportional to 68,458.17, 102,725.90 and 36,867.56

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Solution

The fourth proportional to 68,458.17, 102,725.90 and 36,867.56 is: 55,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,458.17 : 102,725.90 = 36,867.56 : x
  2. Step 2: Convert to fraction form
    68,458.17/102,725.90 = 36,867.56/x
  3. Step 3: Cross multiply
    68,458.17x = 102,725.90 × 36,867.56
  4. Step 4: Simplify right side
    68,458.17x = 3,787,252,583.84
  5. Step 5: Solve for x
    x = 3,787,252,583.84/68,458.17
  6. Step 6: Final answer
    x = 55,322.14

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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.