Home / 77,375.66-116,069.63-33,002.78

Finding the Fourth Proportional to 77,375.66, 116,069.63 and 33,002.78

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Solution

The fourth proportional to 77,375.66, 116,069.63 and 33,002.78 is: 49,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,375.66 : 116,069.63 = 33,002.78 : x
  2. Step 2: Convert to fraction form
    77,375.66/116,069.63 = 33,002.78/x
  3. Step 3: Cross multiply
    77,375.66x = 116,069.63 × 33,002.78
  4. Step 4: Simplify right side
    77,375.66x = 3,830,619,718.21
  5. Step 5: Solve for x
    x = 3,830,619,718.21/77,375.66
  6. Step 6: Final answer
    x = 49,506.78

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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.