Home / 53,291.15-73,540.70-30,629.56

Finding the Fourth Proportional to 53,291.15, 73,540.70 and 30,629.56

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Solution

The fourth proportional to 53,291.15, 73,540.70 and 30,629.56 is: 42,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.15 : 73,540.70 = 30,629.56 : x
  2. Step 2: Convert to fraction form
    53,291.15/73,540.70 = 30,629.56/x
  3. Step 3: Cross multiply
    53,291.15x = 73,540.70 × 30,629.56
  4. Step 4: Simplify right side
    53,291.15x = 2,252,519,283.09
  5. Step 5: Solve for x
    x = 2,252,519,283.09/53,291.15
  6. Step 6: Final answer
    x = 42,268.17

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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.