Home / 77,558.34-116,348.43-27,623.65

Finding the Fourth Proportional to 77,558.34, 116,348.43 and 27,623.65

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Solution

The fourth proportional to 77,558.34, 116,348.43 and 27,623.65 is: 41,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558.34 : 116,348.43 = 27,623.65 : x
  2. Step 2: Convert to fraction form
    77,558.34/116,348.43 = 27,623.65/x
  3. Step 3: Cross multiply
    77,558.34x = 116,348.43 × 27,623.65
  4. Step 4: Simplify right side
    77,558.34x = 3,213,968,308.37
  5. Step 5: Solve for x
    x = 3,213,968,308.37/77,558.34
  6. Step 6: Final answer
    x = 41,439.36

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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.