Home / 114,725.36-172,062.08-43,622.64

Finding the Fourth Proportional to 114,725.36, 172,062.08 and 43,622.64

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Solution

The fourth proportional to 114,725.36, 172,062.08 and 43,622.64 is: 65,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,725.36 : 172,062.08 = 43,622.64 : x
  2. Step 2: Convert to fraction form
    114,725.36/172,062.08 = 43,622.64/x
  3. Step 3: Cross multiply
    114,725.36x = 172,062.08 × 43,622.64
  4. Step 4: Simplify right side
    114,725.36x = 7,505,802,173.49
  5. Step 5: Solve for x
    x = 7,505,802,173.49/114,725.36
  6. Step 6: Final answer
    x = 65,424.09

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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.