Home / 47,129.66-65,040.17-25,620.85

Finding the Fourth Proportional to 47,129.66, 65,040.17 and 25,620.85

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Solution

The fourth proportional to 47,129.66, 65,040.17 and 25,620.85 is: 35,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.66 : 65,040.17 = 25,620.85 : x
  2. Step 2: Convert to fraction form
    47,129.66/65,040.17 = 25,620.85/x
  3. Step 3: Cross multiply
    47,129.66x = 65,040.17 × 25,620.85
  4. Step 4: Simplify right side
    47,129.66x = 1,666,383,986.24
  5. Step 5: Solve for x
    x = 1,666,383,986.24/47,129.66
  6. Step 6: Final answer
    x = 35,357.44

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1.5x scale

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.