Home / 54,518.97-75,236.60-30,320.28

Finding the Fourth Proportional to 54,518.97, 75,236.60 and 30,320.28

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Solution

The fourth proportional to 54,518.97, 75,236.60 and 30,320.28 is: 41,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518.97 : 75,236.60 = 30,320.28 : x
  2. Step 2: Convert to fraction form
    54,518.97/75,236.60 = 30,320.28/x
  3. Step 3: Cross multiply
    54,518.97x = 75,236.60 × 30,320.28
  4. Step 4: Simplify right side
    54,518.97x = 2,281,194,416.10
  5. Step 5: Solve for x
    x = 2,281,194,416.10/54,518.97
  6. Step 6: Final answer
    x = 41,842.21

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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.