Home / 50,449.75-75,487.78-31,579.45

Finding the Fourth Proportional to 50,449.75, 75,487.78 and 31,579.45

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Solution

The fourth proportional to 50,449.75, 75,487.78 and 31,579.45 is: 47,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,449.75 : 75,487.78 = 31,579.45 : x
  2. Step 2: Convert to fraction form
    50,449.75/75,487.78 = 31,579.45/x
  3. Step 3: Cross multiply
    50,449.75x = 75,487.78 × 31,579.45
  4. Step 4: Simplify right side
    50,449.75x = 2,383,862,574.12
  5. Step 5: Solve for x
    x = 2,383,862,574.12/50,449.75
  6. Step 6: Final answer
    x = 47,252.22

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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.