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Finding the Fourth Proportional to 50,846.68, 76,174.98 and 45,355.96

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Solution

The fourth proportional to 50,846.68, 76,174.98 and 45,355.96 is: 67,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,846.68 : 76,174.98 = 45,355.96 : x
  2. Step 2: Convert to fraction form
    50,846.68/76,174.98 = 45,355.96/x
  3. Step 3: Cross multiply
    50,846.68x = 76,174.98 × 45,355.96
  4. Step 4: Simplify right side
    50,846.68x = 3,454,989,345.88
  5. Step 5: Solve for x
    x = 3,454,989,345.88/50,846.68
  6. Step 6: Final answer
    x = 67,949.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.