Home / 55,162.21-82,743.31-38,554.68

Finding the Fourth Proportional to 55,162.21, 82,743.31 and 38,554.68

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Solution

The fourth proportional to 55,162.21, 82,743.31 and 38,554.68 is: 57,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.21 : 82,743.31 = 38,554.68 : x
  2. Step 2: Convert to fraction form
    55,162.21/82,743.31 = 38,554.68/x
  3. Step 3: Cross multiply
    55,162.21x = 82,743.31 × 38,554.68
  4. Step 4: Simplify right side
    55,162.21x = 3,190,141,742.80
  5. Step 5: Solve for x
    x = 3,190,141,742.80/55,162.21
  6. Step 6: Final answer
    x = 57,832.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.