Home / 50,815.61-70,137.19-33,820.57

Finding the Fourth Proportional to 50,815.61, 70,137.19 and 33,820.57

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Solution

The fourth proportional to 50,815.61, 70,137.19 and 33,820.57 is: 46,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.61 : 70,137.19 = 33,820.57 : x
  2. Step 2: Convert to fraction form
    50,815.61/70,137.19 = 33,820.57/x
  3. Step 3: Cross multiply
    50,815.61x = 70,137.19 × 33,820.57
  4. Step 4: Simplify right side
    50,815.61x = 2,372,079,873.95
  5. Step 5: Solve for x
    x = 2,372,079,873.95/50,815.61
  6. Step 6: Final answer
    x = 46,680.14

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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.