Home / 53,934.12-74,431.64-30,060.97

Finding the Fourth Proportional to 53,934.12, 74,431.64 and 30,060.97

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Solution

The fourth proportional to 53,934.12, 74,431.64 and 30,060.97 is: 41,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.12 : 74,431.64 = 30,060.97 : x
  2. Step 2: Convert to fraction form
    53,934.12/74,431.64 = 30,060.97/x
  3. Step 3: Cross multiply
    53,934.12x = 74,431.64 × 30,060.97
  4. Step 4: Simplify right side
    53,934.12x = 2,237,487,297.09
  5. Step 5: Solve for x
    x = 2,237,487,297.09/53,934.12
  6. Step 6: Final answer
    x = 41,485.56

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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.