Home / 49,121.35-73,690.19-19,539.47

Finding the Fourth Proportional to 49,121.35, 73,690.19 and 19,539.47

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Solution

The fourth proportional to 49,121.35, 73,690.19 and 19,539.47 is: 29,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.35 : 73,690.19 = 19,539.47 : x
  2. Step 2: Convert to fraction form
    49,121.35/73,690.19 = 19,539.47/x
  3. Step 3: Cross multiply
    49,121.35x = 73,690.19 × 19,539.47
  4. Step 4: Simplify right side
    49,121.35x = 1,439,867,256.80
  5. Step 5: Solve for x
    x = 1,439,867,256.80/49,121.35
  6. Step 6: Final answer
    x = 29,312.45

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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.