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Finding the Fourth Proportional to 68,672.76, 94,778.01 and 49,614.21

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Solution

The fourth proportional to 68,672.76, 94,778.01 and 49,614.21 is: 68,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672.76 : 94,778.01 = 49,614.21 : x
  2. Step 2: Convert to fraction form
    68,672.76/94,778.01 = 49,614.21/x
  3. Step 3: Cross multiply
    68,672.76x = 94,778.01 × 49,614.21
  4. Step 4: Simplify right side
    68,672.76x = 4,702,336,091.52
  5. Step 5: Solve for x
    x = 4,702,336,091.52/68,672.76
  6. Step 6: Final answer
    x = 68,474.55

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1.5x scale

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.