Home / 39,102.75-58,664.93-11,400.75

Finding the Fourth Proportional to 39,102.75, 58,664.93 and 11,400.75

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Solution

The fourth proportional to 39,102.75, 58,664.93 and 11,400.75 is: 17,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.75 : 58,664.93 = 11,400.75 : x
  2. Step 2: Convert to fraction form
    39,102.75/58,664.93 = 11,400.75/x
  3. Step 3: Cross multiply
    39,102.75x = 58,664.93 × 11,400.75
  4. Step 4: Simplify right side
    39,102.75x = 668,824,143.69
  5. Step 5: Solve for x
    x = 668,824,143.69/39,102.75
  6. Step 6: Final answer
    x = 17,104.27

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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.