Home / 47,131.11-65,041.16-25,911.75

Finding the Fourth Proportional to 47,131.11, 65,041.16 and 25,911.75

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Solution

The fourth proportional to 47,131.11, 65,041.16 and 25,911.75 is: 35,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,131.11 : 65,041.16 = 25,911.75 : x
  2. Step 2: Convert to fraction form
    47,131.11/65,041.16 = 25,911.75/x
  3. Step 3: Cross multiply
    47,131.11x = 65,041.16 × 25,911.75
  4. Step 4: Simplify right side
    47,131.11x = 1,685,330,148.07
  5. Step 5: Solve for x
    x = 1,685,330,148.07/47,131.11
  6. Step 6: Final answer
    x = 35,758.34

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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.