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Finding the Fourth Proportional to 72,592.96, 100,194.12 and 52,229.44

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Solution

The fourth proportional to 72,592.96, 100,194.12 and 52,229.44 is: 72,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592.96 : 100,194.12 = 52,229.44 : x
  2. Step 2: Convert to fraction form
    72,592.96/100,194.12 = 52,229.44/x
  3. Step 3: Cross multiply
    72,592.96x = 100,194.12 × 52,229.44
  4. Step 4: Simplify right side
    72,592.96x = 5,233,082,778.89
  5. Step 5: Solve for x
    x = 5,233,082,778.89/72,592.96
  6. Step 6: Final answer
    x = 72,088.02

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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.