Home / 50,787.72-70,110.99-33,820.20

Finding the Fourth Proportional to 50,787.72, 70,110.99 and 33,820.20

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Solution

The fourth proportional to 50,787.72, 70,110.99 and 33,820.20 is: 46,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787.72 : 70,110.99 = 33,820.20 : x
  2. Step 2: Convert to fraction form
    50,787.72/70,110.99 = 33,820.20/x
  3. Step 3: Cross multiply
    50,787.72x = 70,110.99 × 33,820.20
  4. Step 4: Simplify right side
    50,787.72x = 2,371,167,704.00
  5. Step 5: Solve for x
    x = 2,371,167,704.00/50,787.72
  6. Step 6: Final answer
    x = 46,687.82

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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.