Home / 81,756.48-122,634.77-22,592.21

Finding the Fourth Proportional to 81,756.48, 122,634.77 and 22,592.21

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Solution

The fourth proportional to 81,756.48, 122,634.77 and 22,592.21 is: 33,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,756.48 : 122,634.77 = 22,592.21 : x
  2. Step 2: Convert to fraction form
    81,756.48/122,634.77 = 22,592.21/x
  3. Step 3: Cross multiply
    81,756.48x = 122,634.77 × 22,592.21
  4. Step 4: Simplify right side
    81,756.48x = 2,770,589,751.01
  5. Step 5: Solve for x
    x = 2,770,589,751.01/81,756.48
  6. Step 6: Final answer
    x = 33,888.32

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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.