Home / 47,190.64-65,121.88-25,679.48

Finding the Fourth Proportional to 47,190.64, 65,121.88 and 25,679.48

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Solution

The fourth proportional to 47,190.64, 65,121.88 and 25,679.48 is: 35,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,190.64 : 65,121.88 = 25,679.48 : x
  2. Step 2: Convert to fraction form
    47,190.64/65,121.88 = 25,679.48/x
  3. Step 3: Cross multiply
    47,190.64x = 65,121.88 × 25,679.48
  4. Step 4: Simplify right side
    47,190.64x = 1,672,296,015.02
  5. Step 5: Solve for x
    x = 1,672,296,015.02/47,190.64
  6. Step 6: Final answer
    x = 35,437.03

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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.