Home / 54,103.48-74,657.10-30,231.16

Finding the Fourth Proportional to 54,103.48, 74,657.10 and 30,231.16

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Solution

The fourth proportional to 54,103.48, 74,657.10 and 30,231.16 is: 41,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.48 : 74,657.10 = 30,231.16 : x
  2. Step 2: Convert to fraction form
    54,103.48/74,657.10 = 30,231.16/x
  3. Step 3: Cross multiply
    54,103.48x = 74,657.10 × 30,231.16
  4. Step 4: Simplify right side
    54,103.48x = 2,256,970,735.24
  5. Step 5: Solve for x
    x = 2,256,970,735.24/54,103.48
  6. Step 6: Final answer
    x = 41,715.81

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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.