Home / 54,003.32-74,524.34-30,130.02

Finding the Fourth Proportional to 54,003.32, 74,524.34 and 30,130.02

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Solution

The fourth proportional to 54,003.32, 74,524.34 and 30,130.02 is: 41,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,003.32 : 74,524.34 = 30,130.02 : x
  2. Step 2: Convert to fraction form
    54,003.32/74,524.34 = 30,130.02/x
  3. Step 3: Cross multiply
    54,003.32x = 74,524.34 × 30,130.02
  4. Step 4: Simplify right side
    54,003.32x = 2,245,419,854.69
  5. Step 5: Solve for x
    x = 2,245,419,854.69/54,003.32
  6. Step 6: Final answer
    x = 41,579.29

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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.