Home / 81,101.46-121,570.83-33,652.02

Finding the Fourth Proportional to 81,101.46, 121,570.83 and 33,652.02

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Solution

The fourth proportional to 81,101.46, 121,570.83 and 33,652.02 is: 50,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,101.46 : 121,570.83 = 33,652.02 : x
  2. Step 2: Convert to fraction form
    81,101.46/121,570.83 = 33,652.02/x
  3. Step 3: Cross multiply
    81,101.46x = 121,570.83 × 33,652.02
  4. Step 4: Simplify right side
    81,101.46x = 4,091,104,002.58
  5. Step 5: Solve for x
    x = 4,091,104,002.58/81,101.46
  6. Step 6: Final answer
    x = 50,444.27

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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.