Home / 42,325.65-63,481.98-11,163.33

Finding the Fourth Proportional to 42,325.65, 63,481.98 and 11,163.33

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Solution

The fourth proportional to 42,325.65, 63,481.98 and 11,163.33 is: 16,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,325.65 : 63,481.98 = 11,163.33 : x
  2. Step 2: Convert to fraction form
    42,325.65/63,481.98 = 11,163.33/x
  3. Step 3: Cross multiply
    42,325.65x = 63,481.98 × 11,163.33
  4. Step 4: Simplify right side
    42,325.65x = 708,670,291.79
  5. Step 5: Solve for x
    x = 708,670,291.79/42,325.65
  6. Step 6: Final answer
    x = 16,743.28

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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.