Home / 43,754.72-65,642.46-14,172.53

Finding the Fourth Proportional to 43,754.72, 65,642.46 and 14,172.53

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Solution

The fourth proportional to 43,754.72, 65,642.46 and 14,172.53 is: 21,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,754.72 : 65,642.46 = 14,172.53 : x
  2. Step 2: Convert to fraction form
    43,754.72/65,642.46 = 14,172.53/x
  3. Step 3: Cross multiply
    43,754.72x = 65,642.46 × 14,172.53
  4. Step 4: Simplify right side
    43,754.72x = 930,319,662.76
  5. Step 5: Solve for x
    x = 930,319,662.76/43,754.72
  6. Step 6: Final answer
    x = 21,262.16

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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.