Home / 43,813.70-65,720.55-16,108.10

Finding the Fourth Proportional to 43,813.70, 65,720.55 and 16,108.10

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Solution

The fourth proportional to 43,813.70, 65,720.55 and 16,108.10 is: 24,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,813.70 : 65,720.55 = 16,108.10 : x
  2. Step 2: Convert to fraction form
    43,813.70/65,720.55 = 16,108.10/x
  3. Step 3: Cross multiply
    43,813.70x = 65,720.55 × 16,108.10
  4. Step 4: Simplify right side
    43,813.70x = 1,058,633,191.46
  5. Step 5: Solve for x
    x = 1,058,633,191.46/43,813.70
  6. Step 6: Final answer
    x = 24,162.15

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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.