Home / 74,381.67-111,382.01-41,064.75

Finding the Fourth Proportional to 74,381.67, 111,382.01 and 41,064.75

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Solution

The fourth proportional to 74,381.67, 111,382.01 and 41,064.75 is: 61,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,381.67 : 111,382.01 = 41,064.75 : x
  2. Step 2: Convert to fraction form
    74,381.67/111,382.01 = 41,064.75/x
  3. Step 3: Cross multiply
    74,381.67x = 111,382.01 × 41,064.75
  4. Step 4: Simplify right side
    74,381.67x = 4,573,874,395.15
  5. Step 5: Solve for x
    x = 4,573,874,395.15/74,381.67
  6. Step 6: Final answer
    x = 61,491.96

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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.