Home / 98,511.96-135,991.26-62,751

Finding the Fourth Proportional to 98,511.96, 135,991.26 and 62,751

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Solution

The fourth proportional to 98,511.96, 135,991.26 and 62,751 is: 86,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,511.96 : 135,991.26 = 62,751 : x
  2. Step 2: Convert to fraction form
    98,511.96/135,991.26 = 62,751/x
  3. Step 3: Cross multiply
    98,511.96x = 135,991.26 × 62,751
  4. Step 4: Simplify right side
    98,511.96x = 8,533,587,556.26
  5. Step 5: Solve for x
    x = 8,533,587,556.26/98,511.96
  6. Step 6: Final answer
    x = 86,624.89

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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.