Home / 98,177.40-135,485.46-55,736.64

Finding the Fourth Proportional to 98,177.40, 135,485.46 and 55,736.64

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Solution

The fourth proportional to 98,177.40, 135,485.46 and 55,736.64 is: 76,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,177.40 : 135,485.46 = 55,736.64 : x
  2. Step 2: Convert to fraction form
    98,177.40/135,485.46 = 55,736.64/x
  3. Step 3: Cross multiply
    98,177.40x = 135,485.46 × 55,736.64
  4. Step 4: Simplify right side
    98,177.40x = 7,551,504,309.25
  5. Step 5: Solve for x
    x = 7,551,504,309.25/98,177.40
  6. Step 6: Final answer
    x = 76,916.93

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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.