Home / 65,659.41-90,542.21-44,125.70

Finding the Fourth Proportional to 65,659.41, 90,542.21 and 44,125.70

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Solution

The fourth proportional to 65,659.41, 90,542.21 and 44,125.70 is: 60,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,659.41 : 90,542.21 = 44,125.70 : x
  2. Step 2: Convert to fraction form
    65,659.41/90,542.21 = 44,125.70/x
  3. Step 3: Cross multiply
    65,659.41x = 90,542.21 × 44,125.70
  4. Step 4: Simplify right side
    65,659.41x = 3,995,237,722.46
  5. Step 5: Solve for x
    x = 3,995,237,722.46/65,659.41
  6. Step 6: Final answer
    x = 60,847.91

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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.