Home / 42,998.88-64,488.66-18,067.08

Finding the Fourth Proportional to 42,998.88, 64,488.66 and 18,067.08

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Solution

The fourth proportional to 42,998.88, 64,488.66 and 18,067.08 is: 27,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,998.88 : 64,488.66 = 18,067.08 : x
  2. Step 2: Convert to fraction form
    42,998.88/64,488.66 = 18,067.08/x
  3. Step 3: Cross multiply
    42,998.88x = 64,488.66 × 18,067.08
  4. Step 4: Simplify right side
    42,998.88x = 1,165,121,779.31
  5. Step 5: Solve for x
    x = 1,165,121,779.31/42,998.88
  6. Step 6: Final answer
    x = 27,096.56

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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.