Home / 68,480.91-94,486.38-40,181.13

Finding the Fourth Proportional to 68,480.91, 94,486.38 and 40,181.13

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Solution

The fourth proportional to 68,480.91, 94,486.38 and 40,181.13 is: 55,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,480.91 : 94,486.38 = 40,181.13 : x
  2. Step 2: Convert to fraction form
    68,480.91/94,486.38 = 40,181.13/x
  3. Step 3: Cross multiply
    68,480.91x = 94,486.38 × 40,181.13
  4. Step 4: Simplify right side
    68,480.91x = 3,796,569,518.01
  5. Step 5: Solve for x
    x = 3,796,569,518.01/68,480.91
  6. Step 6: Final answer
    x = 55,439.82

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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.