Home / 56,721.08-85,081.62-15,167

Finding the Fourth Proportional to 56,721.08, 85,081.62 and 15,167

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Solution

The fourth proportional to 56,721.08, 85,081.62 and 15,167 is: 22,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.08 : 85,081.62 = 15,167 : x
  2. Step 2: Convert to fraction form
    56,721.08/85,081.62 = 15,167/x
  3. Step 3: Cross multiply
    56,721.08x = 85,081.62 × 15,167
  4. Step 4: Simplify right side
    56,721.08x = 1,290,432,930.54
  5. Step 5: Solve for x
    x = 1,290,432,930.54/56,721.08
  6. Step 6: Final answer
    x = 22,750.50

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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.