Home / 68,247.32-102,234.48-53,386.24

Finding the Fourth Proportional to 68,247.32, 102,234.48 and 53,386.24

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Solution

The fourth proportional to 68,247.32, 102,234.48 and 53,386.24 is: 79,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,247.32 : 102,234.48 = 53,386.24 : x
  2. Step 2: Convert to fraction form
    68,247.32/102,234.48 = 53,386.24/x
  3. Step 3: Cross multiply
    68,247.32x = 102,234.48 × 53,386.24
  4. Step 4: Simplify right side
    68,247.32x = 5,457,914,485.56
  5. Step 5: Solve for x
    x = 5,457,914,485.56/68,247.32
  6. Step 6: Final answer
    x = 79,972.58

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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.