Home / 74,949.75-103,438.22-41,415.75

Finding the Fourth Proportional to 74,949.75, 103,438.22 and 41,415.75

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Solution

The fourth proportional to 74,949.75, 103,438.22 and 41,415.75 is: 57,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,949.75 : 103,438.22 = 41,415.75 : x
  2. Step 2: Convert to fraction form
    74,949.75/103,438.22 = 41,415.75/x
  3. Step 3: Cross multiply
    74,949.75x = 103,438.22 × 41,415.75
  4. Step 4: Simplify right side
    74,949.75x = 4,283,971,459.97
  5. Step 5: Solve for x
    x = 4,283,971,459.97/74,949.75
  6. Step 6: Final answer
    x = 57,157.92

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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.