Home / 50,142.72-75,155.36-25,169.28

Finding the Fourth Proportional to 50,142.72, 75,155.36 and 25,169.28

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Solution

The fourth proportional to 50,142.72, 75,155.36 and 25,169.28 is: 37,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,142.72 : 75,155.36 = 25,169.28 : x
  2. Step 2: Convert to fraction form
    50,142.72/75,155.36 = 25,169.28/x
  3. Step 3: Cross multiply
    50,142.72x = 75,155.36 × 25,169.28
  4. Step 4: Simplify right side
    50,142.72x = 1,891,606,299.34
  5. Step 5: Solve for x
    x = 1,891,606,299.34/50,142.72
  6. Step 6: Final answer
    x = 37,724.45

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1.5x scale

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.