Home / 50,701.20-76,051.80-49,243.20

Finding the Fourth Proportional to 50,701.20, 76,051.80 and 49,243.20

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Solution

The fourth proportional to 50,701.20, 76,051.80 and 49,243.20 is: 73,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,701.20 : 76,051.80 = 49,243.20 : x
  2. Step 2: Convert to fraction form
    50,701.20/76,051.80 = 49,243.20/x
  3. Step 3: Cross multiply
    50,701.20x = 76,051.80 × 49,243.20
  4. Step 4: Simplify right side
    50,701.20x = 3,745,033,997.76
  5. Step 5: Solve for x
    x = 3,745,033,997.76/50,701.20
  6. Step 6: Final answer
    x = 73,864.80

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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.