Home / 47,153.91-65,072.82-25,643.85

Finding the Fourth Proportional to 47,153.91, 65,072.82 and 25,643.85

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Solution

The fourth proportional to 47,153.91, 65,072.82 and 25,643.85 is: 35,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,153.91 : 65,072.82 = 25,643.85 : x
  2. Step 2: Convert to fraction form
    47,153.91/65,072.82 = 25,643.85/x
  3. Step 3: Cross multiply
    47,153.91x = 65,072.82 × 25,643.85
  4. Step 4: Simplify right side
    47,153.91x = 1,668,717,962.87
  5. Step 5: Solve for x
    x = 1,668,717,962.87/47,153.91
  6. Step 6: Final answer
    x = 35,388.75

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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.