Home / 66,074.28-91,180.94-35,858.31

Finding the Fourth Proportional to 66,074.28, 91,180.94 and 35,858.31

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Solution

The fourth proportional to 66,074.28, 91,180.94 and 35,858.31 is: 49,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.28 : 91,180.94 = 35,858.31 : x
  2. Step 2: Convert to fraction form
    66,074.28/91,180.94 = 35,858.31/x
  3. Step 3: Cross multiply
    66,074.28x = 91,180.94 × 35,858.31
  4. Step 4: Simplify right side
    66,074.28x = 3,269,594,233.32
  5. Step 5: Solve for x
    x = 3,269,594,233.32/66,074.28
  6. Step 6: Final answer
    x = 49,483.62

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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.