Home / 75,328.94-103,950.32-41,336.61

Finding the Fourth Proportional to 75,328.94, 103,950.32 and 41,336.61

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Solution

The fourth proportional to 75,328.94, 103,950.32 and 41,336.61 is: 57,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,328.94 : 103,950.32 = 41,336.61 : x
  2. Step 2: Convert to fraction form
    75,328.94/103,950.32 = 41,336.61/x
  3. Step 3: Cross multiply
    75,328.94x = 103,950.32 × 41,336.61
  4. Step 4: Simplify right side
    75,328.94x = 4,296,953,630.53
  5. Step 5: Solve for x
    x = 4,296,953,630.53/75,328.94
  6. Step 6: Final answer
    x = 57,042.54

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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.