Home / 90,047.21-124,261.97-49,760.24

Finding the Fourth Proportional to 90,047.21, 124,261.97 and 49,760.24

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Solution

The fourth proportional to 90,047.21, 124,261.97 and 49,760.24 is: 68,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,047.21 : 124,261.97 = 49,760.24 : x
  2. Step 2: Convert to fraction form
    90,047.21/124,261.97 = 49,760.24/x
  3. Step 3: Cross multiply
    90,047.21x = 124,261.97 × 49,760.24
  4. Step 4: Simplify right side
    90,047.21x = 6,183,304,579.96
  5. Step 5: Solve for x
    x = 6,183,304,579.96/90,047.21
  6. Step 6: Final answer
    x = 68,667.37

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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.