Home / 68,076.40-102,115.02-23,672.08

Finding the Fourth Proportional to 68,076.40, 102,115.02 and 23,672.08

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Solution

The fourth proportional to 68,076.40, 102,115.02 and 23,672.08 is: 35,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,076.40 : 102,115.02 = 23,672.08 : x
  2. Step 2: Convert to fraction form
    68,076.40/102,115.02 = 23,672.08/x
  3. Step 3: Cross multiply
    68,076.40x = 102,115.02 × 23,672.08
  4. Step 4: Simplify right side
    68,076.40x = 2,417,274,922.64
  5. Step 5: Solve for x
    x = 2,417,274,922.64/68,076.40
  6. Step 6: Final answer
    x = 35,508.27

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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.