Home / 73,709.36-101,749.20-49,868.36

Finding the Fourth Proportional to 73,709.36, 101,749.20 and 49,868.36

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Solution

The fourth proportional to 73,709.36, 101,749.20 and 49,868.36 is: 68,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,709.36 : 101,749.20 = 49,868.36 : x
  2. Step 2: Convert to fraction form
    73,709.36/101,749.20 = 49,868.36/x
  3. Step 3: Cross multiply
    73,709.36x = 101,749.20 × 49,868.36
  4. Step 4: Simplify right side
    73,709.36x = 5,074,065,735.31
  5. Step 5: Solve for x
    x = 5,074,065,735.31/73,709.36
  6. Step 6: Final answer
    x = 68,838.83

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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.