Home / 42,769.74-64,164.21-15,067.98

Finding the Fourth Proportional to 42,769.74, 64,164.21 and 15,067.98

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Solution

The fourth proportional to 42,769.74, 64,164.21 and 15,067.98 is: 22,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,769.74 : 64,164.21 = 15,067.98 : x
  2. Step 2: Convert to fraction form
    42,769.74/64,164.21 = 15,067.98/x
  3. Step 3: Cross multiply
    42,769.74x = 64,164.21 × 15,067.98
  4. Step 4: Simplify right side
    42,769.74x = 966,825,033.00
  5. Step 5: Solve for x
    x = 966,825,033.00/42,769.74
  6. Step 6: Final answer
    x = 22,605.35

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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.