Home / 74,578.02-111,914.22-67,572.34

Finding the Fourth Proportional to 74,578.02, 111,914.22 and 67,572.34

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Solution

The fourth proportional to 74,578.02, 111,914.22 and 67,572.34 is: 101,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,578.02 : 111,914.22 = 67,572.34 : x
  2. Step 2: Convert to fraction form
    74,578.02/111,914.22 = 67,572.34/x
  3. Step 3: Cross multiply
    74,578.02x = 111,914.22 × 67,572.34
  4. Step 4: Simplify right side
    74,578.02x = 7,562,305,724.67
  5. Step 5: Solve for x
    x = 7,562,305,724.67/74,578.02
  6. Step 6: Final answer
    x = 101,401.27

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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.