Home / 54,619.57-81,929.32-15,176.67

Finding the Fourth Proportional to 54,619.57, 81,929.32 and 15,176.67

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Solution

The fourth proportional to 54,619.57, 81,929.32 and 15,176.67 is: 22,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.57 : 81,929.32 = 15,176.67 : x
  2. Step 2: Convert to fraction form
    54,619.57/81,929.32 = 15,176.67/x
  3. Step 3: Cross multiply
    54,619.57x = 81,929.32 × 15,176.67
  4. Step 4: Simplify right side
    54,619.57x = 1,243,413,805.38
  5. Step 5: Solve for x
    x = 1,243,413,805.38/54,619.57
  6. Step 6: Final answer
    x = 22,764.99

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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.