Home / 41,135.90-61,696.02-20,054.78

Finding the Fourth Proportional to 41,135.90, 61,696.02 and 20,054.78

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Solution

The fourth proportional to 41,135.90, 61,696.02 and 20,054.78 is: 30,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,135.90 : 61,696.02 = 20,054.78 : x
  2. Step 2: Convert to fraction form
    41,135.90/61,696.02 = 20,054.78/x
  3. Step 3: Cross multiply
    41,135.90x = 61,696.02 × 20,054.78
  4. Step 4: Simplify right side
    41,135.90x = 1,237,300,107.98
  5. Step 5: Solve for x
    x = 1,237,300,107.98/41,135.90
  6. Step 6: Final answer
    x = 30,078.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.