Home / 54,973.64-82,414.28-38,284.40

Finding the Fourth Proportional to 54,973.64, 82,414.28 and 38,284.40

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Solution

The fourth proportional to 54,973.64, 82,414.28 and 38,284.40 is: 57,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973.64 : 82,414.28 = 38,284.40 : x
  2. Step 2: Convert to fraction form
    54,973.64/82,414.28 = 38,284.40/x
  3. Step 3: Cross multiply
    54,973.64x = 82,414.28 × 38,284.40
  4. Step 4: Simplify right side
    54,973.64x = 3,155,181,261.23
  5. Step 5: Solve for x
    x = 3,155,181,261.23/54,973.64
  6. Step 6: Final answer
    x = 57,394.44

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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.