Home / 65,840.23-90,859.23-35,626.09

Finding the Fourth Proportional to 65,840.23, 90,859.23 and 35,626.09

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Solution

The fourth proportional to 65,840.23, 90,859.23 and 35,626.09 is: 49,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840.23 : 90,859.23 = 35,626.09 : x
  2. Step 2: Convert to fraction form
    65,840.23/90,859.23 = 35,626.09/x
  3. Step 3: Cross multiply
    65,840.23x = 90,859.23 × 35,626.09
  4. Step 4: Simplify right side
    65,840.23x = 3,236,959,226.39
  5. Step 5: Solve for x
    x = 3,236,959,226.39/65,840.23
  6. Step 6: Final answer
    x = 49,163.85

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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.