Home / 43,872.22-65,808.19-14,289.99

Finding the Fourth Proportional to 43,872.22, 65,808.19 and 14,289.99

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Solution

The fourth proportional to 43,872.22, 65,808.19 and 14,289.99 is: 21,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,872.22 : 65,808.19 = 14,289.99 : x
  2. Step 2: Convert to fraction form
    43,872.22/65,808.19 = 14,289.99/x
  3. Step 3: Cross multiply
    43,872.22x = 65,808.19 × 14,289.99
  4. Step 4: Simplify right side
    43,872.22x = 940,398,377.02
  5. Step 5: Solve for x
    x = 940,398,377.02/43,872.22
  6. Step 6: Final answer
    x = 21,434.94

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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.