Home / 77,451.15-116,078.32-33,033.18

Finding the Fourth Proportional to 77,451.15, 116,078.32 and 33,033.18

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Solution

The fourth proportional to 77,451.15, 116,078.32 and 33,033.18 is: 49,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,451.15 : 116,078.32 = 33,033.18 : x
  2. Step 2: Convert to fraction form
    77,451.15/116,078.32 = 33,033.18/x
  3. Step 3: Cross multiply
    77,451.15x = 116,078.32 × 33,033.18
  4. Step 4: Simplify right side
    77,451.15x = 3,834,436,329.43
  5. Step 5: Solve for x
    x = 3,834,436,329.43/77,451.15
  6. Step 6: Final answer
    x = 49,507.80

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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.