Home / 66,118.07-91,241.30-37,821.94

Finding the Fourth Proportional to 66,118.07, 91,241.30 and 37,821.94

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Solution

The fourth proportional to 66,118.07, 91,241.30 and 37,821.94 is: 52,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.07 : 91,241.30 = 37,821.94 : x
  2. Step 2: Convert to fraction form
    66,118.07/91,241.30 = 37,821.94/x
  3. Step 3: Cross multiply
    66,118.07x = 91,241.30 × 37,821.94
  4. Step 4: Simplify right side
    66,118.07x = 3,450,922,840.57
  5. Step 5: Solve for x
    x = 3,450,922,840.57/66,118.07
  6. Step 6: Final answer
    x = 52,193.34

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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.