Home / 68,371.09-102,219.47-57,957.32

Finding the Fourth Proportional to 68,371.09, 102,219.47 and 57,957.32

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Solution

The fourth proportional to 68,371.09, 102,219.47 and 57,957.32 is: 86,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,371.09 : 102,219.47 = 57,957.32 : x
  2. Step 2: Convert to fraction form
    68,371.09/102,219.47 = 57,957.32/x
  3. Step 3: Cross multiply
    68,371.09x = 102,219.47 × 57,957.32
  4. Step 4: Simplify right side
    68,371.09x = 5,924,366,716.12
  5. Step 5: Solve for x
    x = 5,924,366,716.12/68,371.09
  6. Step 6: Final answer
    x = 86,650.18

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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.