Home / 44,091.81-66,138.66-12,927.06

Finding the Fourth Proportional to 44,091.81, 66,138.66 and 12,927.06

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Solution

The fourth proportional to 44,091.81, 66,138.66 and 12,927.06 is: 19,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,091.81 : 66,138.66 = 12,927.06 : x
  2. Step 2: Convert to fraction form
    44,091.81/66,138.66 = 12,927.06/x
  3. Step 3: Cross multiply
    44,091.81x = 66,138.66 × 12,927.06
  4. Step 4: Simplify right side
    44,091.81x = 854,978,426.14
  5. Step 5: Solve for x
    x = 854,978,426.14/44,091.81
  6. Step 6: Final answer
    x = 19,390.87

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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.