Home / 53,987.40-74,537.30-33,871.88

Finding the Fourth Proportional to 53,987.40, 74,537.30 and 33,871.88

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Solution

The fourth proportional to 53,987.40, 74,537.30 and 33,871.88 is: 46,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.40 : 74,537.30 = 33,871.88 : x
  2. Step 2: Convert to fraction form
    53,987.40/74,537.30 = 33,871.88/x
  3. Step 3: Cross multiply
    53,987.40x = 74,537.30 × 33,871.88
  4. Step 4: Simplify right side
    53,987.40x = 2,524,718,481.12
  5. Step 5: Solve for x
    x = 2,524,718,481.12/53,987.40
  6. Step 6: Final answer
    x = 46,764.96

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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.