Home / 68,253.89-102,382.36-23,275.20

Finding the Fourth Proportional to 68,253.89, 102,382.36 and 23,275.20

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Solution

The fourth proportional to 68,253.89, 102,382.36 and 23,275.20 is: 34,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,253.89 : 102,382.36 = 23,275.20 : x
  2. Step 2: Convert to fraction form
    68,253.89/102,382.36 = 23,275.20/x
  3. Step 3: Cross multiply
    68,253.89x = 102,382.36 × 23,275.20
  4. Step 4: Simplify right side
    68,253.89x = 2,382,969,847.28
  5. Step 5: Solve for x
    x = 2,382,969,847.28/68,253.89
  6. Step 6: Final answer
    x = 34,913.32

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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.