Home / 50,921.70-76,383.13-15,383.31

Finding the Fourth Proportional to 50,921.70, 76,383.13 and 15,383.31

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Solution

The fourth proportional to 50,921.70, 76,383.13 and 15,383.31 is: 23,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.70 : 76,383.13 = 15,383.31 : x
  2. Step 2: Convert to fraction form
    50,921.70/76,383.13 = 15,383.31/x
  3. Step 3: Cross multiply
    50,921.70x = 76,383.13 × 15,383.31
  4. Step 4: Simplify right side
    50,921.70x = 1,175,025,694.55
  5. Step 5: Solve for x
    x = 1,175,025,694.55/50,921.70
  6. Step 6: Final answer
    x = 23,075.14

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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.