Home / 77,681.62-116,529.09-33,297.85

Finding the Fourth Proportional to 77,681.62, 116,529.09 and 33,297.85

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Solution

The fourth proportional to 77,681.62, 116,529.09 and 33,297.85 is: 49,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,681.62 : 116,529.09 = 33,297.85 : x
  2. Step 2: Convert to fraction form
    77,681.62/116,529.09 = 33,297.85/x
  3. Step 3: Cross multiply
    77,681.62x = 116,529.09 × 33,297.85
  4. Step 4: Simplify right side
    77,681.62x = 3,880,168,159.46
  5. Step 5: Solve for x
    x = 3,880,168,159.46/77,681.62
  6. Step 6: Final answer
    x = 49,949.63

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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.