Home / 54,980.64-82,403.40-25,357.36

Finding the Fourth Proportional to 54,980.64, 82,403.40 and 25,357.36

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Solution

The fourth proportional to 54,980.64, 82,403.40 and 25,357.36 is: 38,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.64 : 82,403.40 = 25,357.36 : x
  2. Step 2: Convert to fraction form
    54,980.64/82,403.40 = 25,357.36/x
  3. Step 3: Cross multiply
    54,980.64x = 82,403.40 × 25,357.36
  4. Step 4: Simplify right side
    54,980.64x = 2,089,532,679.02
  5. Step 5: Solve for x
    x = 2,089,532,679.02/54,980.64
  6. Step 6: Final answer
    x = 38,004.88

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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.