Home / 98,382.72-135,767.52-55,941.25

Finding the Fourth Proportional to 98,382.72, 135,767.52 and 55,941.25

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Solution

The fourth proportional to 98,382.72, 135,767.52 and 55,941.25 is: 77,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,382.72 : 135,767.52 = 55,941.25 : x
  2. Step 2: Convert to fraction form
    98,382.72/135,767.52 = 55,941.25/x
  3. Step 3: Cross multiply
    98,382.72x = 135,767.52 × 55,941.25
  4. Step 4: Simplify right side
    98,382.72x = 7,595,004,778.20
  5. Step 5: Solve for x
    x = 7,595,004,778.20/98,382.72
  6. Step 6: Final answer
    x = 77,198.57

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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.