Home / 66,190.24-99,229.54-28,722.14

Finding the Fourth Proportional to 66,190.24, 99,229.54 and 28,722.14

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Solution

The fourth proportional to 66,190.24, 99,229.54 and 28,722.14 is: 43,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190.24 : 99,229.54 = 28,722.14 : x
  2. Step 2: Convert to fraction form
    66,190.24/99,229.54 = 28,722.14/x
  3. Step 3: Cross multiply
    66,190.24x = 99,229.54 × 28,722.14
  4. Step 4: Simplify right side
    66,190.24x = 2,850,084,740.02
  5. Step 5: Solve for x
    x = 2,850,084,740.02/66,190.24
  6. Step 6: Final answer
    x = 43,058.99

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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.