Home / 54,905.15-82,303.05-25,271.30

Finding the Fourth Proportional to 54,905.15, 82,303.05 and 25,271.30

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Solution

The fourth proportional to 54,905.15, 82,303.05 and 25,271.30 is: 37,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.15 : 82,303.05 = 25,271.30 : x
  2. Step 2: Convert to fraction form
    54,905.15/82,303.05 = 25,271.30/x
  3. Step 3: Cross multiply
    54,905.15x = 82,303.05 × 25,271.30
  4. Step 4: Simplify right side
    54,905.15x = 2,079,905,067.47
  5. Step 5: Solve for x
    x = 2,079,905,067.47/54,905.15
  6. Step 6: Final answer
    x = 37,881.78

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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.