Home / 68,156.89-102,228.05-23,784.49

Finding the Fourth Proportional to 68,156.89, 102,228.05 and 23,784.49

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Solution

The fourth proportional to 68,156.89, 102,228.05 and 23,784.49 is: 35,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,156.89 : 102,228.05 = 23,784.49 : x
  2. Step 2: Convert to fraction form
    68,156.89/102,228.05 = 23,784.49/x
  3. Step 3: Cross multiply
    68,156.89x = 102,228.05 × 23,784.49
  4. Step 4: Simplify right side
    68,156.89x = 2,431,441,578.26
  5. Step 5: Solve for x
    x = 2,431,441,578.26/68,156.89
  6. Step 6: Final answer
    x = 35,674.18

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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.