Home / 49,129.06-67,795.14-28,992.25

Finding the Fourth Proportional to 49,129.06, 67,795.14 and 28,992.25

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Solution

The fourth proportional to 49,129.06, 67,795.14 and 28,992.25 is: 40,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.06 : 67,795.14 = 28,992.25 : x
  2. Step 2: Convert to fraction form
    49,129.06/67,795.14 = 28,992.25/x
  3. Step 3: Cross multiply
    49,129.06x = 67,795.14 × 28,992.25
  4. Step 4: Simplify right side
    49,129.06x = 1,965,533,647.67
  5. Step 5: Solve for x
    x = 1,965,533,647.67/49,129.06
  6. Step 6: Final answer
    x = 40,007.56

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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.