Home / 84,736.68-127,104.45-21,556.26

Finding the Fourth Proportional to 84,736.68, 127,104.45 and 21,556.26

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Solution

The fourth proportional to 84,736.68, 127,104.45 and 21,556.26 is: 32,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.68 : 127,104.45 = 21,556.26 : x
  2. Step 2: Convert to fraction form
    84,736.68/127,104.45 = 21,556.26/x
  3. Step 3: Cross multiply
    84,736.68x = 127,104.45 × 21,556.26
  4. Step 4: Simplify right side
    84,736.68x = 2,739,896,571.36
  5. Step 5: Solve for x
    x = 2,739,896,571.36/84,736.68
  6. Step 6: Final answer
    x = 32,334.24

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1.5x scale

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.