Home / 65,822.64-90,834.82-35,607.84

Finding the Fourth Proportional to 65,822.64, 90,834.82 and 35,607.84

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Solution

The fourth proportional to 65,822.64, 90,834.82 and 35,607.84 is: 49,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.64 : 90,834.82 = 35,607.84 : x
  2. Step 2: Convert to fraction form
    65,822.64/90,834.82 = 35,607.84/x
  3. Step 3: Cross multiply
    65,822.64x = 90,834.82 × 35,607.84
  4. Step 4: Simplify right side
    65,822.64x = 3,234,431,736.99
  5. Step 5: Solve for x
    x = 3,234,431,736.99/65,822.64
  6. Step 6: Final answer
    x = 49,138.59

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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.