Home / 54,044.48-74,578.25-30,172.67

Finding the Fourth Proportional to 54,044.48, 74,578.25 and 30,172.67

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Solution

The fourth proportional to 54,044.48, 74,578.25 and 30,172.67 is: 41,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,044.48 : 74,578.25 = 30,172.67 : x
  2. Step 2: Convert to fraction form
    54,044.48/74,578.25 = 30,172.67/x
  3. Step 3: Cross multiply
    54,044.48x = 74,578.25 × 30,172.67
  4. Step 4: Simplify right side
    54,044.48x = 2,250,224,908.64
  5. Step 5: Solve for x
    x = 2,250,224,908.64/54,044.48
  6. Step 6: Final answer
    x = 41,636.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.