Home / 50,138.78-69,191.49-29,996.48

Finding the Fourth Proportional to 50,138.78, 69,191.49 and 29,996.48

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Solution

The fourth proportional to 50,138.78, 69,191.49 and 29,996.48 is: 41,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.78 : 69,191.49 = 29,996.48 : x
  2. Step 2: Convert to fraction form
    50,138.78/69,191.49 = 29,996.48/x
  3. Step 3: Cross multiply
    50,138.78x = 69,191.49 × 29,996.48
  4. Step 4: Simplify right side
    50,138.78x = 2,075,501,145.96
  5. Step 5: Solve for x
    x = 2,075,501,145.96/50,138.78
  6. Step 6: Final answer
    x = 41,395.13

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1.5x scale

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.