Home / 123,858.09-185,739.59-52,735.64

Finding the Fourth Proportional to 123,858.09, 185,739.59 and 52,735.64

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Solution

The fourth proportional to 123,858.09, 185,739.59 and 52,735.64 is: 79,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,858.09 : 185,739.59 = 52,735.64 : x
  2. Step 2: Convert to fraction form
    123,858.09/185,739.59 = 52,735.64/x
  3. Step 3: Cross multiply
    123,858.09x = 185,739.59 × 52,735.64
  4. Step 4: Simplify right side
    123,858.09x = 9,795,094,959.61
  5. Step 5: Solve for x
    x = 9,795,094,959.61/123,858.09
  6. Step 6: Final answer
    x = 79,083.21

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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.