Home / 77,849.00-107,449.11-50,975.90

Finding the Fourth Proportional to 77,849.00, 107,449.11 and 50,975.90

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Solution

The fourth proportional to 77,849.00, 107,449.11 and 50,975.90 is: 70,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.00 : 107,449.11 = 50,975.90 : x
  2. Step 2: Convert to fraction form
    77,849.00/107,449.11 = 50,975.90/x
  3. Step 3: Cross multiply
    77,849.00x = 107,449.11 × 50,975.90
  4. Step 4: Simplify right side
    77,849.00x = 5,477,315,355.07
  5. Step 5: Solve for x
    x = 5,477,315,355.07/77,849.00
  6. Step 6: Final answer
    x = 70,358.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.