Home / 74,912.22-103,381.88-43,081.11

Finding the Fourth Proportional to 74,912.22, 103,381.88 and 43,081.11

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Solution

The fourth proportional to 74,912.22, 103,381.88 and 43,081.11 is: 59,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,912.22 : 103,381.88 = 43,081.11 : x
  2. Step 2: Convert to fraction form
    74,912.22/103,381.88 = 43,081.11/x
  3. Step 3: Cross multiply
    74,912.22x = 103,381.88 × 43,081.11
  4. Step 4: Simplify right side
    74,912.22x = 4,453,805,928.88
  5. Step 5: Solve for x
    x = 4,453,805,928.88/74,912.22
  6. Step 6: Final answer
    x = 59,453.66

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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.