Home / 65,257.13-90,098.27-50,122.79

Finding the Fourth Proportional to 65,257.13, 90,098.27 and 50,122.79

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Solution

The fourth proportional to 65,257.13, 90,098.27 and 50,122.79 is: 69,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,257.13 : 90,098.27 = 50,122.79 : x
  2. Step 2: Convert to fraction form
    65,257.13/90,098.27 = 50,122.79/x
  3. Step 3: Cross multiply
    65,257.13x = 90,098.27 × 50,122.79
  4. Step 4: Simplify right side
    65,257.13x = 4,515,975,965.47
  5. Step 5: Solve for x
    x = 4,515,975,965.47/65,257.13
  6. Step 6: Final answer
    x = 69,202.80

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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.