Home / 50,114.82-75,106.60-20,497.98

Finding the Fourth Proportional to 50,114.82, 75,106.60 and 20,497.98

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Solution

The fourth proportional to 50,114.82, 75,106.60 and 20,497.98 is: 30,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,114.82 : 75,106.60 = 20,497.98 : x
  2. Step 2: Convert to fraction form
    50,114.82/75,106.60 = 20,497.98/x
  3. Step 3: Cross multiply
    50,114.82x = 75,106.60 × 20,497.98
  4. Step 4: Simplify right side
    50,114.82x = 1,539,533,584.67
  5. Step 5: Solve for x
    x = 1,539,533,584.67/50,114.82
  6. Step 6: Final answer
    x = 30,720.13

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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.