Home / 50,139.45-69,174.14-29,996.91

Finding the Fourth Proportional to 50,139.45, 69,174.14 and 29,996.91

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Solution

The fourth proportional to 50,139.45, 69,174.14 and 29,996.91 is: 41,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.45 : 69,174.14 = 29,996.91 : x
  2. Step 2: Convert to fraction form
    50,139.45/69,174.14 = 29,996.91/x
  3. Step 3: Cross multiply
    50,139.45x = 69,174.14 × 29,996.91
  4. Step 4: Simplify right side
    50,139.45x = 2,075,010,301.92
  5. Step 5: Solve for x
    x = 2,075,010,301.92/50,139.45
  6. Step 6: Final answer
    x = 41,384.78

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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.