Home / 75,140.44-103,692.54-41,605.72

Finding the Fourth Proportional to 75,140.44, 103,692.54 and 41,605.72

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Solution

The fourth proportional to 75,140.44, 103,692.54 and 41,605.72 is: 57,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.44 : 103,692.54 = 41,605.72 : x
  2. Step 2: Convert to fraction form
    75,140.44/103,692.54 = 41,605.72/x
  3. Step 3: Cross multiply
    75,140.44x = 103,692.54 × 41,605.72
  4. Step 4: Simplify right side
    75,140.44x = 4,314,202,785.33
  5. Step 5: Solve for x
    x = 4,314,202,785.33/75,140.44
  6. Step 6: Final answer
    x = 57,415.19

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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.