Home / 68,724.30-94,835.07-40,424.52

Finding the Fourth Proportional to 68,724.30, 94,835.07 and 40,424.52

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Solution

The fourth proportional to 68,724.30, 94,835.07 and 40,424.52 is: 55,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724.30 : 94,835.07 = 40,424.52 : x
  2. Step 2: Convert to fraction form
    68,724.30/94,835.07 = 40,424.52/x
  3. Step 3: Cross multiply
    68,724.30x = 94,835.07 × 40,424.52
  4. Step 4: Simplify right side
    68,724.30x = 3,833,662,183.92
  5. Step 5: Solve for x
    x = 3,833,662,183.92/68,724.30
  6. Step 6: Final answer
    x = 55,783.21

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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.