Home / 47,131.08-65,040.90-25,911.72

Finding the Fourth Proportional to 47,131.08, 65,040.90 and 25,911.72

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Solution

The fourth proportional to 47,131.08, 65,040.90 and 25,911.72 is: 35,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,131.08 : 65,040.90 = 25,911.72 : x
  2. Step 2: Convert to fraction form
    47,131.08/65,040.90 = 25,911.72/x
  3. Step 3: Cross multiply
    47,131.08x = 65,040.90 × 25,911.72
  4. Step 4: Simplify right side
    47,131.08x = 1,685,321,589.35
  5. Step 5: Solve for x
    x = 1,685,321,589.35/47,131.08
  6. Step 6: Final answer
    x = 35,758.18

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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.