Home / 63,801.72-95,716.91-19,431.98

Finding the Fourth Proportional to 63,801.72, 95,716.91 and 19,431.98

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Solution

The fourth proportional to 63,801.72, 95,716.91 and 19,431.98 is: 29,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,801.72 : 95,716.91 = 19,431.98 : x
  2. Step 2: Convert to fraction form
    63,801.72/95,716.91 = 19,431.98/x
  3. Step 3: Cross multiply
    63,801.72x = 95,716.91 × 19,431.98
  4. Step 4: Simplify right side
    63,801.72x = 1,859,969,080.78
  5. Step 5: Solve for x
    x = 1,859,969,080.78/63,801.72
  6. Step 6: Final answer
    x = 29,152.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.