Home / 123,867.36-170,961.84-73,556.64

Finding the Fourth Proportional to 123,867.36, 170,961.84 and 73,556.64

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Solution

The fourth proportional to 123,867.36, 170,961.84 and 73,556.64 is: 101,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,867.36 : 170,961.84 = 73,556.64 : x
  2. Step 2: Convert to fraction form
    123,867.36/170,961.84 = 73,556.64/x
  3. Step 3: Cross multiply
    123,867.36x = 170,961.84 × 73,556.64
  4. Step 4: Simplify right side
    123,867.36x = 12,575,378,518.62
  5. Step 5: Solve for x
    x = 12,575,378,518.62/123,867.36
  6. Step 6: Final answer
    x = 101,522.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.