Home / 73,840.86-110,761.28-40,771.19

Finding the Fourth Proportional to 73,840.86, 110,761.28 and 40,771.19

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Solution

The fourth proportional to 73,840.86, 110,761.28 and 40,771.19 is: 61,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,840.86 : 110,761.28 = 40,771.19 : x
  2. Step 2: Convert to fraction form
    73,840.86/110,761.28 = 40,771.19/x
  3. Step 3: Cross multiply
    73,840.86x = 110,761.28 × 40,771.19
  4. Step 4: Simplify right side
    73,840.86x = 4,515,869,191.52
  5. Step 5: Solve for x
    x = 4,515,869,191.52/73,840.86
  6. Step 6: Final answer
    x = 61,156.78

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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.