Home / 54,939.36-75,821.87-33,430.62

Finding the Fourth Proportional to 54,939.36, 75,821.87 and 33,430.62

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Solution

The fourth proportional to 54,939.36, 75,821.87 and 33,430.62 is: 46,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.36 : 75,821.87 = 33,430.62 : x
  2. Step 2: Convert to fraction form
    54,939.36/75,821.87 = 33,430.62/x
  3. Step 3: Cross multiply
    54,939.36x = 75,821.87 × 33,430.62
  4. Step 4: Simplify right side
    54,939.36x = 2,534,772,491.57
  5. Step 5: Solve for x
    x = 2,534,772,491.57/54,939.36
  6. Step 6: Final answer
    x = 46,137.64

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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.