Home / 114,720.37-172,054.60-43,617.64

Finding the Fourth Proportional to 114,720.37, 172,054.60 and 43,617.64

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Solution

The fourth proportional to 114,720.37, 172,054.60 and 43,617.64 is: 65,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,720.37 : 172,054.60 = 43,617.64 : x
  2. Step 2: Convert to fraction form
    114,720.37/172,054.60 = 43,617.64/x
  3. Step 3: Cross multiply
    114,720.37x = 172,054.60 × 43,617.64
  4. Step 4: Simplify right side
    114,720.37x = 7,504,616,193.56
  5. Step 5: Solve for x
    x = 7,504,616,193.56/114,720.37
  6. Step 6: Final answer
    x = 65,416.60

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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.