Home / 49,211.02-73,780.77-19,619.98

Finding the Fourth Proportional to 49,211.02, 73,780.77 and 19,619.98

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Solution

The fourth proportional to 49,211.02, 73,780.77 and 19,619.98 is: 29,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211.02 : 73,780.77 = 19,619.98 : x
  2. Step 2: Convert to fraction form
    49,211.02/73,780.77 = 19,619.98/x
  3. Step 3: Cross multiply
    49,211.02x = 73,780.77 × 19,619.98
  4. Step 4: Simplify right side
    49,211.02x = 1,447,577,231.78
  5. Step 5: Solve for x
    x = 1,447,577,231.78/49,211.02
  6. Step 6: Final answer
    x = 29,415.71

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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.