Home / 68,757.52-94,867.68-40,457.92

Finding the Fourth Proportional to 68,757.52, 94,867.68 and 40,457.92

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Solution

The fourth proportional to 68,757.52, 94,867.68 and 40,457.92 is: 55,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,757.52 : 94,867.68 = 40,457.92 : x
  2. Step 2: Convert to fraction form
    68,757.52/94,867.68 = 40,457.92/x
  3. Step 3: Cross multiply
    68,757.52x = 94,867.68 × 40,457.92
  4. Step 4: Simplify right side
    68,757.52x = 3,838,149,008.03
  5. Step 5: Solve for x
    x = 3,838,149,008.03/68,757.52
  6. Step 6: Final answer
    x = 55,821.52

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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.