Home / 98,258.24-135,583.44-55,240.64

Finding the Fourth Proportional to 98,258.24, 135,583.44 and 55,240.64

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Solution

The fourth proportional to 98,258.24, 135,583.44 and 55,240.64 is: 76,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,258.24 : 135,583.44 = 55,240.64 : x
  2. Step 2: Convert to fraction form
    98,258.24/135,583.44 = 55,240.64/x
  3. Step 3: Cross multiply
    98,258.24x = 135,583.44 × 55,240.64
  4. Step 4: Simplify right side
    98,258.24x = 7,489,715,999.00
  5. Step 5: Solve for x
    x = 7,489,715,999.00/98,258.24
  6. Step 6: Final answer
    x = 76,224.81

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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.