Home / 59,575.21-89,375.67-20,131.45

Finding the Fourth Proportional to 59,575.21, 89,375.67 and 20,131.45

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Solution

The fourth proportional to 59,575.21, 89,375.67 and 20,131.45 is: 30,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,575.21 : 89,375.67 = 20,131.45 : x
  2. Step 2: Convert to fraction form
    59,575.21/89,375.67 = 20,131.45/x
  3. Step 3: Cross multiply
    59,575.21x = 89,375.67 × 20,131.45
  4. Step 4: Simplify right side
    59,575.21x = 1,799,261,608.38
  5. Step 5: Solve for x
    x = 1,799,261,608.38/59,575.21
  6. Step 6: Final answer
    x = 30,201.52

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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.