Home / 77,716.85-116,575-33,314.81

Finding the Fourth Proportional to 77,716.85, 116,575 and 33,314.81

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Solution

The fourth proportional to 77,716.85, 116,575 and 33,314.81 is: 49,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,716.85 : 116,575 = 33,314.81 : x
  2. Step 2: Convert to fraction form
    77,716.85/116,575 = 33,314.81/x
  3. Step 3: Cross multiply
    77,716.85x = 116,575 × 33,314.81
  4. Step 4: Simplify right side
    77,716.85x = 3,883,673,975.75
  5. Step 5: Solve for x
    x = 3,883,673,975.75/77,716.85
  6. Step 6: Final answer
    x = 49,972.10

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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.