Home / 74,939.58-112,464.80-35,496.78

Finding the Fourth Proportional to 74,939.58, 112,464.80 and 35,496.78

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Solution

The fourth proportional to 74,939.58, 112,464.80 and 35,496.78 is: 53,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.58 : 112,464.80 = 35,496.78 : x
  2. Step 2: Convert to fraction form
    74,939.58/112,464.80 = 35,496.78/x
  3. Step 3: Cross multiply
    74,939.58x = 112,464.80 × 35,496.78
  4. Step 4: Simplify right side
    74,939.58x = 3,992,138,629.51
  5. Step 5: Solve for x
    x = 3,992,138,629.51/74,939.58
  6. Step 6: Final answer
    x = 53,271.43

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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.