Home / 68,225.06-102,212.91-49,458.56

Finding the Fourth Proportional to 68,225.06, 102,212.91 and 49,458.56

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Solution

The fourth proportional to 68,225.06, 102,212.91 and 49,458.56 is: 74,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,225.06 : 102,212.91 = 49,458.56 : x
  2. Step 2: Convert to fraction form
    68,225.06/102,212.91 = 49,458.56/x
  3. Step 3: Cross multiply
    68,225.06x = 102,212.91 × 49,458.56
  4. Step 4: Simplify right side
    68,225.06x = 5,055,302,830.95
  5. Step 5: Solve for x
    x = 5,055,302,830.95/68,225.06
  6. Step 6: Final answer
    x = 74,097.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.