Home / 84,004.44-125,962.91-39,619.28

Finding the Fourth Proportional to 84,004.44, 125,962.91 and 39,619.28

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Solution

The fourth proportional to 84,004.44, 125,962.91 and 39,619.28 is: 59,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,004.44 : 125,962.91 = 39,619.28 : x
  2. Step 2: Convert to fraction form
    84,004.44/125,962.91 = 39,619.28/x
  3. Step 3: Cross multiply
    84,004.44x = 125,962.91 × 39,619.28
  4. Step 4: Simplify right side
    84,004.44x = 4,990,559,800.90
  5. Step 5: Solve for x
    x = 4,990,559,800.90/84,004.44
  6. Step 6: Final answer
    x = 59,408.29

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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.