Home / 47,091.56-64,986.38-25,872.20

Finding the Fourth Proportional to 47,091.56, 64,986.38 and 25,872.20

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Solution

The fourth proportional to 47,091.56, 64,986.38 and 25,872.20 is: 35,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,091.56 : 64,986.38 = 25,872.20 : x
  2. Step 2: Convert to fraction form
    47,091.56/64,986.38 = 25,872.20/x
  3. Step 3: Cross multiply
    47,091.56x = 64,986.38 × 25,872.20
  4. Step 4: Simplify right side
    47,091.56x = 1,681,340,360.38
  5. Step 5: Solve for x
    x = 1,681,340,360.38/47,091.56
  6. Step 6: Final answer
    x = 35,703.64

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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.