Home / 62,905.32-86,772.46-40,236.04

Finding the Fourth Proportional to 62,905.32, 86,772.46 and 40,236.04

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Solution

The fourth proportional to 62,905.32, 86,772.46 and 40,236.04 is: 55,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,905.32 : 86,772.46 = 40,236.04 : x
  2. Step 2: Convert to fraction form
    62,905.32/86,772.46 = 40,236.04/x
  3. Step 3: Cross multiply
    62,905.32x = 86,772.46 × 40,236.04
  4. Step 4: Simplify right side
    62,905.32x = 3,491,380,171.46
  5. Step 5: Solve for x
    x = 3,491,380,171.46/62,905.32
  6. Step 6: Final answer
    x = 55,502.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.