Home / 74,367.05-111,550.80-52,279.25

Finding the Fourth Proportional to 74,367.05, 111,550.80 and 52,279.25

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Solution

The fourth proportional to 74,367.05, 111,550.80 and 52,279.25 is: 78,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.05 : 111,550.80 = 52,279.25 : x
  2. Step 2: Convert to fraction form
    74,367.05/111,550.80 = 52,279.25/x
  3. Step 3: Cross multiply
    74,367.05x = 111,550.80 × 52,279.25
  4. Step 4: Simplify right side
    74,367.05x = 5,831,792,160.90
  5. Step 5: Solve for x
    x = 5,831,792,160.90/74,367.05
  6. Step 6: Final answer
    x = 78,419.03

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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.