Home / 72,942.84-100,658.19-41,118.33

Finding the Fourth Proportional to 72,942.84, 100,658.19 and 41,118.33

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Solution

The fourth proportional to 72,942.84, 100,658.19 and 41,118.33 is: 56,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,942.84 : 100,658.19 = 41,118.33 : x
  2. Step 2: Convert to fraction form
    72,942.84/100,658.19 = 41,118.33/x
  3. Step 3: Cross multiply
    72,942.84x = 100,658.19 × 41,118.33
  4. Step 4: Simplify right side
    72,942.84x = 4,138,896,673.62
  5. Step 5: Solve for x
    x = 4,138,896,673.62/72,942.84
  6. Step 6: Final answer
    x = 56,741.64

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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.