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Finding the Fourth Proportional to 72,766.48, 109,149.62 and 22,850.46

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Solution

The fourth proportional to 72,766.48, 109,149.62 and 22,850.46 is: 34,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,766.48 : 109,149.62 = 22,850.46 : x
  2. Step 2: Convert to fraction form
    72,766.48/109,149.62 = 22,850.46/x
  3. Step 3: Cross multiply
    72,766.48x = 109,149.62 × 22,850.46
  4. Step 4: Simplify right side
    72,766.48x = 2,494,119,025.83
  5. Step 5: Solve for x
    x = 2,494,119,025.83/72,766.48
  6. Step 6: Final answer
    x = 34,275.66

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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.