Home / 43,857.72-65,771.06-14,270.04

Finding the Fourth Proportional to 43,857.72, 65,771.06 and 14,270.04

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Solution

The fourth proportional to 43,857.72, 65,771.06 and 14,270.04 is: 21,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,857.72 : 65,771.06 = 14,270.04 : x
  2. Step 2: Convert to fraction form
    43,857.72/65,771.06 = 14,270.04/x
  3. Step 3: Cross multiply
    43,857.72x = 65,771.06 × 14,270.04
  4. Step 4: Simplify right side
    43,857.72x = 938,555,585.69
  5. Step 5: Solve for x
    x = 938,555,585.69/43,857.72
  6. Step 6: Final answer
    x = 21,400.01

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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.