Home / 54,702.96-82,067.40-19,646.16

Finding the Fourth Proportional to 54,702.96, 82,067.40 and 19,646.16

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Solution

The fourth proportional to 54,702.96, 82,067.40 and 19,646.16 is: 29,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,702.96 : 82,067.40 = 19,646.16 : x
  2. Step 2: Convert to fraction form
    54,702.96/82,067.40 = 19,646.16/x
  3. Step 3: Cross multiply
    54,702.96x = 82,067.40 × 19,646.16
  4. Step 4: Simplify right side
    54,702.96x = 1,612,309,271.18
  5. Step 5: Solve for x
    x = 1,612,309,271.18/54,702.96
  6. Step 6: Final answer
    x = 29,473.89

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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.