Home / 76,560.56-114,771.64-27,301.04

Finding the Fourth Proportional to 76,560.56, 114,771.64 and 27,301.04

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Solution

The fourth proportional to 76,560.56, 114,771.64 and 27,301.04 is: 40,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,560.56 : 114,771.64 = 27,301.04 : x
  2. Step 2: Convert to fraction form
    76,560.56/114,771.64 = 27,301.04/x
  3. Step 3: Cross multiply
    76,560.56x = 114,771.64 × 27,301.04
  4. Step 4: Simplify right side
    76,560.56x = 3,133,385,134.51
  5. Step 5: Solve for x
    x = 3,133,385,134.51/76,560.56
  6. Step 6: Final answer
    x = 40,926.88

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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.