Home / 54,741.24-82,111.86-31,351.32

Finding the Fourth Proportional to 54,741.24, 82,111.86 and 31,351.32

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Solution

The fourth proportional to 54,741.24, 82,111.86 and 31,351.32 is: 47,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.24 : 82,111.86 = 31,351.32 : x
  2. Step 2: Convert to fraction form
    54,741.24/82,111.86 = 31,351.32/x
  3. Step 3: Cross multiply
    54,741.24x = 82,111.86 × 31,351.32
  4. Step 4: Simplify right side
    54,741.24x = 2,574,315,198.66
  5. Step 5: Solve for x
    x = 2,574,315,198.66/54,741.24
  6. Step 6: Final answer
    x = 47,026.98

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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.