Home / 75,098.85-103,639.05-41,107.36

Finding the Fourth Proportional to 75,098.85, 103,639.05 and 41,107.36

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Solution

The fourth proportional to 75,098.85, 103,639.05 and 41,107.36 is: 56,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,098.85 : 103,639.05 = 41,107.36 : x
  2. Step 2: Convert to fraction form
    75,098.85/103,639.05 = 41,107.36/x
  3. Step 3: Cross multiply
    75,098.85x = 103,639.05 × 41,107.36
  4. Step 4: Simplify right side
    75,098.85x = 4,260,327,713.80
  5. Step 5: Solve for x
    x = 4,260,327,713.80/75,098.85
  6. Step 6: Final answer
    x = 56,729.60

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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.