Home / 51,110.05-76,579.99-17,811.76

Finding the Fourth Proportional to 51,110.05, 76,579.99 and 17,811.76

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Solution

The fourth proportional to 51,110.05, 76,579.99 and 17,811.76 is: 26,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.05 : 76,579.99 = 17,811.76 : x
  2. Step 2: Convert to fraction form
    51,110.05/76,579.99 = 17,811.76/x
  3. Step 3: Cross multiply
    51,110.05x = 76,579.99 × 17,811.76
  4. Step 4: Simplify right side
    51,110.05x = 1,364,024,402.68
  5. Step 5: Solve for x
    x = 1,364,024,402.68/51,110.05
  6. Step 6: Final answer
    x = 26,687.99

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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.