Home / 81,033.44-111,796.40-50,820.04

Finding the Fourth Proportional to 81,033.44, 111,796.40 and 50,820.04

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Solution

The fourth proportional to 81,033.44, 111,796.40 and 50,820.04 is: 70,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,033.44 : 111,796.40 = 50,820.04 : x
  2. Step 2: Convert to fraction form
    81,033.44/111,796.40 = 50,820.04/x
  3. Step 3: Cross multiply
    81,033.44x = 111,796.40 × 50,820.04
  4. Step 4: Simplify right side
    81,033.44x = 5,681,497,519.86
  5. Step 5: Solve for x
    x = 5,681,497,519.86/81,033.44
  6. Step 6: Final answer
    x = 70,113.00

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1.5x scale

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.