Home / 127,904.70-191,747.64-49,075.50

Finding the Fourth Proportional to 127,904.70, 191,747.64 and 49,075.50

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Solution

The fourth proportional to 127,904.70, 191,747.64 and 49,075.50 is: 73,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904.70 : 191,747.64 = 49,075.50 : x
  2. Step 2: Convert to fraction form
    127,904.70/191,747.64 = 49,075.50/x
  3. Step 3: Cross multiply
    127,904.70x = 191,747.64 × 49,075.50
  4. Step 4: Simplify right side
    127,904.70x = 9,410,111,306.82
  5. Step 5: Solve for x
    x = 9,410,111,306.82/127,904.70
  6. Step 6: Final answer
    x = 73,571.27

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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.