Home / 45,193.55-67,745.16-21,459.33

Finding the Fourth Proportional to 45,193.55, 67,745.16 and 21,459.33

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Solution

The fourth proportional to 45,193.55, 67,745.16 and 21,459.33 is: 32,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,193.55 : 67,745.16 = 21,459.33 : x
  2. Step 2: Convert to fraction form
    45,193.55/67,745.16 = 21,459.33/x
  3. Step 3: Cross multiply
    45,193.55x = 67,745.16 × 21,459.33
  4. Step 4: Simplify right side
    45,193.55x = 1,453,765,744.34
  5. Step 5: Solve for x
    x = 1,453,765,744.34/45,193.55
  6. Step 6: Final answer
    x = 32,167.55

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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.