Home / 54,453.89-75,150.36-30,581.97

Finding the Fourth Proportional to 54,453.89, 75,150.36 and 30,581.97

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Solution

The fourth proportional to 54,453.89, 75,150.36 and 30,581.97 is: 42,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.89 : 75,150.36 = 30,581.97 : x
  2. Step 2: Convert to fraction form
    54,453.89/75,150.36 = 30,581.97/x
  3. Step 3: Cross multiply
    54,453.89x = 75,150.36 × 30,581.97
  4. Step 4: Simplify right side
    54,453.89x = 2,298,246,055.01
  5. Step 5: Solve for x
    x = 2,298,246,055.01/54,453.89
  6. Step 6: Final answer
    x = 42,205.36

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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.