Home / 98,917.36-136,453.40-75,004.56

Finding the Fourth Proportional to 98,917.36, 136,453.40 and 75,004.56

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Solution

The fourth proportional to 98,917.36, 136,453.40 and 75,004.56 is: 103,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,917.36 : 136,453.40 = 75,004.56 : x
  2. Step 2: Convert to fraction form
    98,917.36/136,453.40 = 75,004.56/x
  3. Step 3: Cross multiply
    98,917.36x = 136,453.40 × 75,004.56
  4. Step 4: Simplify right side
    98,917.36x = 10,234,627,227.50
  5. Step 5: Solve for x
    x = 10,234,627,227.50/98,917.36
  6. Step 6: Final answer
    x = 103,466.44

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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.