Home / 54,135.83-74,707.54-30,262.48

Finding the Fourth Proportional to 54,135.83, 74,707.54 and 30,262.48

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Solution

The fourth proportional to 54,135.83, 74,707.54 and 30,262.48 is: 41,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.83 : 74,707.54 = 30,262.48 : x
  2. Step 2: Convert to fraction form
    54,135.83/74,707.54 = 30,262.48/x
  3. Step 3: Cross multiply
    54,135.83x = 74,707.54 × 30,262.48
  4. Step 4: Simplify right side
    54,135.83x = 2,260,835,435.10
  5. Step 5: Solve for x
    x = 2,260,835,435.10/54,135.83
  6. Step 6: Final answer
    x = 41,762.28

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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.