Home / 98,905.25-136,489.08-53,584.38

Finding the Fourth Proportional to 98,905.25, 136,489.08 and 53,584.38

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Solution

The fourth proportional to 98,905.25, 136,489.08 and 53,584.38 is: 73,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.25 : 136,489.08 = 53,584.38 : x
  2. Step 2: Convert to fraction form
    98,905.25/136,489.08 = 53,584.38/x
  3. Step 3: Cross multiply
    98,905.25x = 136,489.08 × 53,584.38
  4. Step 4: Simplify right side
    98,905.25x = 7,313,682,728.57
  5. Step 5: Solve for x
    x = 7,313,682,728.57/98,905.25
  6. Step 6: Final answer
    x = 73,946.36

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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.