Home / 43,372.12-65,058.20-12,207.37

Finding the Fourth Proportional to 43,372.12, 65,058.20 and 12,207.37

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Solution

The fourth proportional to 43,372.12, 65,058.20 and 12,207.37 is: 18,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,372.12 : 65,058.20 = 12,207.37 : x
  2. Step 2: Convert to fraction form
    43,372.12/65,058.20 = 12,207.37/x
  3. Step 3: Cross multiply
    43,372.12x = 65,058.20 × 12,207.37
  4. Step 4: Simplify right side
    43,372.12x = 794,189,132.61
  5. Step 5: Solve for x
    x = 794,189,132.61/43,372.12
  6. Step 6: Final answer
    x = 18,311.05

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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.