Home / 54,107.73-81,161.55-35,505.45

Finding the Fourth Proportional to 54,107.73, 81,161.55 and 35,505.45

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Solution

The fourth proportional to 54,107.73, 81,161.55 and 35,505.45 is: 53,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.73 : 81,161.55 = 35,505.45 : x
  2. Step 2: Convert to fraction form
    54,107.73/81,161.55 = 35,505.45/x
  3. Step 3: Cross multiply
    54,107.73x = 81,161.55 × 35,505.45
  4. Step 4: Simplify right side
    54,107.73x = 2,881,677,355.45
  5. Step 5: Solve for x
    x = 2,881,677,355.45/54,107.73
  6. Step 6: Final answer
    x = 53,258.15

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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.