Home / 68,334.03-102,502.26-21,586.50

Finding the Fourth Proportional to 68,334.03, 102,502.26 and 21,586.50

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Solution

The fourth proportional to 68,334.03, 102,502.26 and 21,586.50 is: 32,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.03 : 102,502.26 = 21,586.50 : x
  2. Step 2: Convert to fraction form
    68,334.03/102,502.26 = 21,586.50/x
  3. Step 3: Cross multiply
    68,334.03x = 102,502.26 × 21,586.50
  4. Step 4: Simplify right side
    68,334.03x = 2,212,665,035.49
  5. Step 5: Solve for x
    x = 2,212,665,035.49/68,334.03
  6. Step 6: Final answer
    x = 32,380.13

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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.