Home / 56,629.30-84,890.90-19,163.14

Finding the Fourth Proportional to 56,629.30, 84,890.90 and 19,163.14

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Solution

The fourth proportional to 56,629.30, 84,890.90 and 19,163.14 is: 28,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,629.30 : 84,890.90 = 19,163.14 : x
  2. Step 2: Convert to fraction form
    56,629.30/84,890.90 = 19,163.14/x
  3. Step 3: Cross multiply
    56,629.30x = 84,890.90 × 19,163.14
  4. Step 4: Simplify right side
    56,629.30x = 1,626,776,105.61
  5. Step 5: Solve for x
    x = 1,626,776,105.61/56,629.30
  6. Step 6: Final answer
    x = 28,726.76

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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.