Home / 54,260.40-81,390.60-33,265.20

Finding the Fourth Proportional to 54,260.40, 81,390.60 and 33,265.20

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Solution

The fourth proportional to 54,260.40, 81,390.60 and 33,265.20 is: 49,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,260.40 : 81,390.60 = 33,265.20 : x
  2. Step 2: Convert to fraction form
    54,260.40/81,390.60 = 33,265.20/x
  3. Step 3: Cross multiply
    54,260.40x = 81,390.60 × 33,265.20
  4. Step 4: Simplify right side
    54,260.40x = 2,707,474,587.12
  5. Step 5: Solve for x
    x = 2,707,474,587.12/54,260.40
  6. Step 6: Final answer
    x = 49,897.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.