Home / 74,704.42-103,092.12-40,712.92

Finding the Fourth Proportional to 74,704.42, 103,092.12 and 40,712.92

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Solution

The fourth proportional to 74,704.42, 103,092.12 and 40,712.92 is: 56,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.42 : 103,092.12 = 40,712.92 : x
  2. Step 2: Convert to fraction form
    74,704.42/103,092.12 = 40,712.92/x
  3. Step 3: Cross multiply
    74,704.42x = 103,092.12 × 40,712.92
  4. Step 4: Simplify right side
    74,704.42x = 4,197,181,234.19
  5. Step 5: Solve for x
    x = 4,197,181,234.19/74,704.42
  6. Step 6: Final answer
    x = 56,183.84

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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.