Home / 53,291.08-73,540.74-30,629.80

Finding the Fourth Proportional to 53,291.08, 73,540.74 and 30,629.80

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Solution

The fourth proportional to 53,291.08, 73,540.74 and 30,629.80 is: 42,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.08 : 73,540.74 = 30,629.80 : x
  2. Step 2: Convert to fraction form
    53,291.08/73,540.74 = 30,629.80/x
  3. Step 3: Cross multiply
    53,291.08x = 73,540.74 × 30,629.80
  4. Step 4: Simplify right side
    53,291.08x = 2,252,538,158.05
  5. Step 5: Solve for x
    x = 2,252,538,158.05/53,291.08
  6. Step 6: Final answer
    x = 42,268.58

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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.