Home / 74,121.54-111,208.41-49,260.30

Finding the Fourth Proportional to 74,121.54, 111,208.41 and 49,260.30

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Solution

The fourth proportional to 74,121.54, 111,208.41 and 49,260.30 is: 73,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,121.54 : 111,208.41 = 49,260.30 : x
  2. Step 2: Convert to fraction form
    74,121.54/111,208.41 = 49,260.30/x
  3. Step 3: Cross multiply
    74,121.54x = 111,208.41 × 49,260.30
  4. Step 4: Simplify right side
    74,121.54x = 5,478,159,639.12
  5. Step 5: Solve for x
    x = 5,478,159,639.12/74,121.54
  6. Step 6: Final answer
    x = 73,907.80

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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.