Home / 66,339.30-91,451.52-50,396.07

Finding the Fourth Proportional to 66,339.30, 91,451.52 and 50,396.07

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Solution

The fourth proportional to 66,339.30, 91,451.52 and 50,396.07 is: 69,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,339.30 : 91,451.52 = 50,396.07 : x
  2. Step 2: Convert to fraction form
    66,339.30/91,451.52 = 50,396.07/x
  3. Step 3: Cross multiply
    66,339.30x = 91,451.52 × 50,396.07
  4. Step 4: Simplify right side
    66,339.30x = 4,608,797,203.53
  5. Step 5: Solve for x
    x = 4,608,797,203.53/66,339.30
  6. Step 6: Final answer
    x = 69,473.11

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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.