Home / 54,728.33-75,524.06-30,855.02

Finding the Fourth Proportional to 54,728.33, 75,524.06 and 30,855.02

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Solution

The fourth proportional to 54,728.33, 75,524.06 and 30,855.02 is: 42,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.33 : 75,524.06 = 30,855.02 : x
  2. Step 2: Convert to fraction form
    54,728.33/75,524.06 = 30,855.02/x
  3. Step 3: Cross multiply
    54,728.33x = 75,524.06 × 30,855.02
  4. Step 4: Simplify right side
    54,728.33x = 2,330,296,081.30
  5. Step 5: Solve for x
    x = 2,330,296,081.30/54,728.33
  6. Step 6: Final answer
    x = 42,579.34

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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.