Home / 43,659.72-65,491.20-14,077.96

Finding the Fourth Proportional to 43,659.72, 65,491.20 and 14,077.96

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Solution

The fourth proportional to 43,659.72, 65,491.20 and 14,077.96 is: 21,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,659.72 : 65,491.20 = 14,077.96 : x
  2. Step 2: Convert to fraction form
    43,659.72/65,491.20 = 14,077.96/x
  3. Step 3: Cross multiply
    43,659.72x = 65,491.20 × 14,077.96
  4. Step 4: Simplify right side
    43,659.72x = 921,982,493.95
  5. Step 5: Solve for x
    x = 921,982,493.95/43,659.72
  6. Step 6: Final answer
    x = 21,117.46

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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.