Home / 71,827.38-107,741.00-19,235.43

Finding the Fourth Proportional to 71,827.38, 107,741.00 and 19,235.43

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Solution

The fourth proportional to 71,827.38, 107,741.00 and 19,235.43 is: 28,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,827.38 : 107,741.00 = 19,235.43 : x
  2. Step 2: Convert to fraction form
    71,827.38/107,741.00 = 19,235.43/x
  3. Step 3: Cross multiply
    71,827.38x = 107,741.00 × 19,235.43
  4. Step 4: Simplify right side
    71,827.38x = 2,072,444,511.72
  5. Step 5: Solve for x
    x = 2,072,444,511.72/71,827.38
  6. Step 6: Final answer
    x = 28,853.13

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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.