Home / 68,138.24-94,004.58-50,275.82

Finding the Fourth Proportional to 68,138.24, 94,004.58 and 50,275.82

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Solution

The fourth proportional to 68,138.24, 94,004.58 and 50,275.82 is: 69,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,138.24 : 94,004.58 = 50,275.82 : x
  2. Step 2: Convert to fraction form
    68,138.24/94,004.58 = 50,275.82/x
  3. Step 3: Cross multiply
    68,138.24x = 94,004.58 × 50,275.82
  4. Step 4: Simplify right side
    68,138.24x = 4,726,157,343.26
  5. Step 5: Solve for x
    x = 4,726,157,343.26/68,138.24
  6. Step 6: Final answer
    x = 69,361.31

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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.