Home / 74,561.69-111,761.67-37,149.68

Finding the Fourth Proportional to 74,561.69, 111,761.67 and 37,149.68

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Solution

The fourth proportional to 74,561.69, 111,761.67 and 37,149.68 is: 55,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561.69 : 111,761.67 = 37,149.68 : x
  2. Step 2: Convert to fraction form
    74,561.69/111,761.67 = 37,149.68/x
  3. Step 3: Cross multiply
    74,561.69x = 111,761.67 × 37,149.68
  4. Step 4: Simplify right side
    74,561.69x = 4,151,910,276.77
  5. Step 5: Solve for x
    x = 4,151,910,276.77/74,561.69
  6. Step 6: Final answer
    x = 55,684.23

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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.