Home / 77,580.65-116,380.09-27,667.84

Finding the Fourth Proportional to 77,580.65, 116,380.09 and 27,667.84

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Solution

The fourth proportional to 77,580.65, 116,380.09 and 27,667.84 is: 41,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,580.65 : 116,380.09 = 27,667.84 : x
  2. Step 2: Convert to fraction form
    77,580.65/116,380.09 = 27,667.84/x
  3. Step 3: Cross multiply
    77,580.65x = 116,380.09 × 27,667.84
  4. Step 4: Simplify right side
    77,580.65x = 3,219,985,709.31
  5. Step 5: Solve for x
    x = 3,219,985,709.31/77,580.65
  6. Step 6: Final answer
    x = 41,505.01

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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.