Home / 54,661.64-75,433.48-30,786.08

Finding the Fourth Proportional to 54,661.64, 75,433.48 and 30,786.08

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Solution

The fourth proportional to 54,661.64, 75,433.48 and 30,786.08 is: 42,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.64 : 75,433.48 = 30,786.08 : x
  2. Step 2: Convert to fraction form
    54,661.64/75,433.48 = 30,786.08/x
  3. Step 3: Cross multiply
    54,661.64x = 75,433.48 × 30,786.08
  4. Step 4: Simplify right side
    54,661.64x = 2,322,300,695.83
  5. Step 5: Solve for x
    x = 2,322,300,695.83/54,661.64
  6. Step 6: Final answer
    x = 42,485.02

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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.