Home / 43,812.11-65,736.99-14,239.01

Finding the Fourth Proportional to 43,812.11, 65,736.99 and 14,239.01

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Solution

The fourth proportional to 43,812.11, 65,736.99 and 14,239.01 is: 21,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.11 : 65,736.99 = 14,239.01 : x
  2. Step 2: Convert to fraction form
    43,812.11/65,736.99 = 14,239.01/x
  3. Step 3: Cross multiply
    43,812.11x = 65,736.99 × 14,239.01
  4. Step 4: Simplify right side
    43,812.11x = 936,029,329.29
  5. Step 5: Solve for x
    x = 936,029,329.29/43,812.11
  6. Step 6: Final answer
    x = 21,364.63

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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.