Home / 98,329.13-135,745.23-66,232.47

Finding the Fourth Proportional to 98,329.13, 135,745.23 and 66,232.47

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Solution

The fourth proportional to 98,329.13, 135,745.23 and 66,232.47 is: 91,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,329.13 : 135,745.23 = 66,232.47 : x
  2. Step 2: Convert to fraction form
    98,329.13/135,745.23 = 66,232.47/x
  3. Step 3: Cross multiply
    98,329.13x = 135,745.23 × 66,232.47
  4. Step 4: Simplify right side
    98,329.13x = 8,990,741,873.62
  5. Step 5: Solve for x
    x = 8,990,741,873.62/98,329.13
  6. Step 6: Final answer
    x = 91,435.19

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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.