Home / 66,119.27-91,243.85-37,438.11

Finding the Fourth Proportional to 66,119.27, 91,243.85 and 37,438.11

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Solution

The fourth proportional to 66,119.27, 91,243.85 and 37,438.11 is: 51,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,119.27 : 91,243.85 = 37,438.11 : x
  2. Step 2: Convert to fraction form
    66,119.27/91,243.85 = 37,438.11/x
  3. Step 3: Cross multiply
    66,119.27x = 91,243.85 × 37,438.11
  4. Step 4: Simplify right side
    66,119.27x = 3,415,997,105.93
  5. Step 5: Solve for x
    x = 3,415,997,105.93/66,119.27
  6. Step 6: Final answer
    x = 51,664.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.