Home / 72,942.83-100,658.18-41,118.33

Finding the Fourth Proportional to 72,942.83, 100,658.18 and 41,118.33

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Solution

The fourth proportional to 72,942.83, 100,658.18 and 41,118.33 is: 56,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,942.83 : 100,658.18 = 41,118.33 : x
  2. Step 2: Convert to fraction form
    72,942.83/100,658.18 = 41,118.33/x
  3. Step 3: Cross multiply
    72,942.83x = 100,658.18 × 41,118.33
  4. Step 4: Simplify right side
    72,942.83x = 4,138,896,262.44
  5. Step 5: Solve for x
    x = 4,138,896,262.44/72,942.83
  6. Step 6: Final answer
    x = 56,741.65

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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.