Home / 68,722.31-94,836.80-41,864.81

Finding the Fourth Proportional to 68,722.31, 94,836.80 and 41,864.81

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Solution

The fourth proportional to 68,722.31, 94,836.80 and 41,864.81 is: 57,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.31 : 94,836.80 = 41,864.81 : x
  2. Step 2: Convert to fraction form
    68,722.31/94,836.80 = 41,864.81/x
  3. Step 3: Cross multiply
    68,722.31x = 94,836.80 × 41,864.81
  4. Step 4: Simplify right side
    68,722.31x = 3,970,323,929.50
  5. Step 5: Solve for x
    x = 3,970,323,929.50/68,722.31
  6. Step 6: Final answer
    x = 57,773.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.