Home / 47,260.75-65,221.30-27,121.31

Finding the Fourth Proportional to 47,260.75, 65,221.30 and 27,121.31

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Solution

The fourth proportional to 47,260.75, 65,221.30 and 27,121.31 is: 37,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,260.75 : 65,221.30 = 27,121.31 : x
  2. Step 2: Convert to fraction form
    47,260.75/65,221.30 = 27,121.31/x
  3. Step 3: Cross multiply
    47,260.75x = 65,221.30 × 27,121.31
  4. Step 4: Simplify right side
    47,260.75x = 1,768,887,140.00
  5. Step 5: Solve for x
    x = 1,768,887,140.00/47,260.75
  6. Step 6: Final answer
    x = 37,428.25

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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.