Home / 65,911.82-90,942.60-37,232.06

Finding the Fourth Proportional to 65,911.82, 90,942.60 and 37,232.06

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Solution

The fourth proportional to 65,911.82, 90,942.60 and 37,232.06 is: 51,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,911.82 : 90,942.60 = 37,232.06 : x
  2. Step 2: Convert to fraction form
    65,911.82/90,942.60 = 37,232.06/x
  3. Step 3: Cross multiply
    65,911.82x = 90,942.60 × 37,232.06
  4. Step 4: Simplify right side
    65,911.82x = 3,385,980,339.76
  5. Step 5: Solve for x
    x = 3,385,980,339.76/65,911.82
  6. Step 6: Final answer
    x = 51,371.37

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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.