Home / 66,156.81-91,261.45-41,914.99

Finding the Fourth Proportional to 66,156.81, 91,261.45 and 41,914.99

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Solution

The fourth proportional to 66,156.81, 91,261.45 and 41,914.99 is: 57,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.81 : 91,261.45 = 41,914.99 : x
  2. Step 2: Convert to fraction form
    66,156.81/91,261.45 = 41,914.99/x
  3. Step 3: Cross multiply
    66,156.81x = 91,261.45 × 41,914.99
  4. Step 4: Simplify right side
    66,156.81x = 3,825,222,764.14
  5. Step 5: Solve for x
    x = 3,825,222,764.14/66,156.81
  6. Step 6: Final answer
    x = 57,820.54

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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.