Home / 55,131.35-82,687.16-14,605.14

Finding the Fourth Proportional to 55,131.35, 82,687.16 and 14,605.14

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Solution

The fourth proportional to 55,131.35, 82,687.16 and 14,605.14 is: 21,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,131.35 : 82,687.16 = 14,605.14 : x
  2. Step 2: Convert to fraction form
    55,131.35/82,687.16 = 14,605.14/x
  3. Step 3: Cross multiply
    55,131.35x = 82,687.16 × 14,605.14
  4. Step 4: Simplify right side
    55,131.35x = 1,207,657,474.98
  5. Step 5: Solve for x
    x = 1,207,657,474.98/55,131.35
  6. Step 6: Final answer
    x = 21,905.09

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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.