Home / 79,652.22-119,379.64-40,220.61

Finding the Fourth Proportional to 79,652.22, 119,379.64 and 40,220.61

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Solution

The fourth proportional to 79,652.22, 119,379.64 and 40,220.61 is: 60,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,652.22 : 119,379.64 = 40,220.61 : x
  2. Step 2: Convert to fraction form
    79,652.22/119,379.64 = 40,220.61/x
  3. Step 3: Cross multiply
    79,652.22x = 119,379.64 × 40,220.61
  4. Step 4: Simplify right side
    79,652.22x = 4,801,521,942.38
  5. Step 5: Solve for x
    x = 4,801,521,942.38/79,652.22
  6. Step 6: Final answer
    x = 60,281.08

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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.