Home / 43,743.12-65,625.09-14,160.96

Finding the Fourth Proportional to 43,743.12, 65,625.09 and 14,160.96

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Solution

The fourth proportional to 43,743.12, 65,625.09 and 14,160.96 is: 21,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,743.12 : 65,625.09 = 14,160.96 : x
  2. Step 2: Convert to fraction form
    43,743.12/65,625.09 = 14,160.96/x
  3. Step 3: Cross multiply
    43,743.12x = 65,625.09 × 14,160.96
  4. Step 4: Simplify right side
    43,743.12x = 929,314,274.49
  5. Step 5: Solve for x
    x = 929,314,274.49/43,743.12
  6. Step 6: Final answer
    x = 21,244.81

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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.