Home / 50,647.08-75,973.14-21,061.80

Finding the Fourth Proportional to 50,647.08, 75,973.14 and 21,061.80

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Solution

The fourth proportional to 50,647.08, 75,973.14 and 21,061.80 is: 31,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.08 : 75,973.14 = 21,061.80 : x
  2. Step 2: Convert to fraction form
    50,647.08/75,973.14 = 21,061.80/x
  3. Step 3: Cross multiply
    50,647.08x = 75,973.14 × 21,061.80
  4. Step 4: Simplify right side
    50,647.08x = 1,600,131,080.05
  5. Step 5: Solve for x
    x = 1,600,131,080.05/50,647.08
  6. Step 6: Final answer
    x = 31,593.75

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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.