Home / 98,091.39-135,370.56-57,806.85

Finding the Fourth Proportional to 98,091.39, 135,370.56 and 57,806.85

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Solution

The fourth proportional to 98,091.39, 135,370.56 and 57,806.85 is: 79,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.39 : 135,370.56 = 57,806.85 : x
  2. Step 2: Convert to fraction form
    98,091.39/135,370.56 = 57,806.85/x
  3. Step 3: Cross multiply
    98,091.39x = 135,370.56 × 57,806.85
  4. Step 4: Simplify right side
    98,091.39x = 7,825,345,656.34
  5. Step 5: Solve for x
    x = 7,825,345,656.34/98,091.39
  6. Step 6: Final answer
    x = 79,776.07

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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.