Home / 68,073.86-93,928.43-41,218.88

Finding the Fourth Proportional to 68,073.86, 93,928.43 and 41,218.88

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Solution

The fourth proportional to 68,073.86, 93,928.43 and 41,218.88 is: 56,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.86 : 93,928.43 = 41,218.88 : x
  2. Step 2: Convert to fraction form
    68,073.86/93,928.43 = 41,218.88/x
  3. Step 3: Cross multiply
    68,073.86x = 93,928.43 × 41,218.88
  4. Step 4: Simplify right side
    68,073.86x = 3,871,624,318.16
  5. Step 5: Solve for x
    x = 3,871,624,318.16/68,073.86
  6. Step 6: Final answer
    x = 56,873.87

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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.