Home / 75,287.10-103,896.36-41,295.90

Finding the Fourth Proportional to 75,287.10, 103,896.36 and 41,295.90

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Solution

The fourth proportional to 75,287.10, 103,896.36 and 41,295.90 is: 56,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.10 : 103,896.36 = 41,295.90 : x
  2. Step 2: Convert to fraction form
    75,287.10/103,896.36 = 41,295.90/x
  3. Step 3: Cross multiply
    75,287.10x = 103,896.36 × 41,295.90
  4. Step 4: Simplify right side
    75,287.10x = 4,290,493,692.92
  5. Step 5: Solve for x
    x = 4,290,493,692.92/75,287.10
  6. Step 6: Final answer
    x = 56,988.43

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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.