Home / 67,619.73-101,421.75-17,704.63

Finding the Fourth Proportional to 67,619.73, 101,421.75 and 17,704.63

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Solution

The fourth proportional to 67,619.73, 101,421.75 and 17,704.63 is: 26,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,619.73 : 101,421.75 = 17,704.63 : x
  2. Step 2: Convert to fraction form
    67,619.73/101,421.75 = 17,704.63/x
  3. Step 3: Cross multiply
    67,619.73x = 101,421.75 × 17,704.63
  4. Step 4: Simplify right side
    67,619.73x = 1,795,634,557.70
  5. Step 5: Solve for x
    x = 1,795,634,557.70/67,619.73
  6. Step 6: Final answer
    x = 26,554.89

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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.