Home / 81,194.63-121,777.56-22,034.90

Finding the Fourth Proportional to 81,194.63, 121,777.56 and 22,034.90

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Solution

The fourth proportional to 81,194.63, 121,777.56 and 22,034.90 is: 33,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,194.63 : 121,777.56 = 22,034.90 : x
  2. Step 2: Convert to fraction form
    81,194.63/121,777.56 = 22,034.90/x
  3. Step 3: Cross multiply
    81,194.63x = 121,777.56 × 22,034.90
  4. Step 4: Simplify right side
    81,194.63x = 2,683,355,747.96
  5. Step 5: Solve for x
    x = 2,683,355,747.96/81,194.63
  6. Step 6: Final answer
    x = 33,048.44

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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.