Home / 65,944.11-91,015.70-51,575.43

Finding the Fourth Proportional to 65,944.11, 91,015.70 and 51,575.43

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Solution

The fourth proportional to 65,944.11, 91,015.70 and 51,575.43 is: 71,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,944.11 : 91,015.70 = 51,575.43 : x
  2. Step 2: Convert to fraction form
    65,944.11/91,015.70 = 51,575.43/x
  3. Step 3: Cross multiply
    65,944.11x = 91,015.70 × 51,575.43
  4. Step 4: Simplify right side
    65,944.11x = 4,694,173,606.37
  5. Step 5: Solve for x
    x = 4,694,173,606.37/65,944.11
  6. Step 6: Final answer
    x = 71,184.12

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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.