Home / 68,176.08-94,060.44-39,861.72

Finding the Fourth Proportional to 68,176.08, 94,060.44 and 39,861.72

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Solution

The fourth proportional to 68,176.08, 94,060.44 and 39,861.72 is: 54,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,176.08 : 94,060.44 = 39,861.72 : x
  2. Step 2: Convert to fraction form
    68,176.08/94,060.44 = 39,861.72/x
  3. Step 3: Cross multiply
    68,176.08x = 94,060.44 × 39,861.72
  4. Step 4: Simplify right side
    68,176.08x = 3,749,410,922.36
  5. Step 5: Solve for x
    x = 3,749,410,922.36/68,176.08
  6. Step 6: Final answer
    x = 54,995.99

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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.