Home / 53,619.12-74,003.31-29,753.52

Finding the Fourth Proportional to 53,619.12, 74,003.31 and 29,753.52

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Solution

The fourth proportional to 53,619.12, 74,003.31 and 29,753.52 is: 41,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.12 : 74,003.31 = 29,753.52 : x
  2. Step 2: Convert to fraction form
    53,619.12/74,003.31 = 29,753.52/x
  3. Step 3: Cross multiply
    53,619.12x = 74,003.31 × 29,753.52
  4. Step 4: Simplify right side
    53,619.12x = 2,201,858,964.15
  5. Step 5: Solve for x
    x = 2,201,858,964.15/53,619.12
  6. Step 6: Final answer
    x = 41,064.81

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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.