Home / 127,907.45-191,751.76-49,078.25

Finding the Fourth Proportional to 127,907.45, 191,751.76 and 49,078.25

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Solution

The fourth proportional to 127,907.45, 191,751.76 and 49,078.25 is: 73,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907.45 : 191,751.76 = 49,078.25 : x
  2. Step 2: Convert to fraction form
    127,907.45/191,751.76 = 49,078.25/x
  3. Step 3: Cross multiply
    127,907.45x = 191,751.76 × 49,078.25
  4. Step 4: Simplify right side
    127,907.45x = 9,410,840,815.22
  5. Step 5: Solve for x
    x = 9,410,840,815.22/127,907.45
  6. Step 6: Final answer
    x = 73,575.39

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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.