Home / 51,196.68-76,829.61-17,917.03

Finding the Fourth Proportional to 51,196.68, 76,829.61 and 17,917.03

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Solution

The fourth proportional to 51,196.68, 76,829.61 and 17,917.03 is: 26,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.68 : 76,829.61 = 17,917.03 : x
  2. Step 2: Convert to fraction form
    51,196.68/76,829.61 = 17,917.03/x
  3. Step 3: Cross multiply
    51,196.68x = 76,829.61 × 17,917.03
  4. Step 4: Simplify right side
    51,196.68x = 1,376,558,043.11
  5. Step 5: Solve for x
    x = 1,376,558,043.11/51,196.68
  6. Step 6: Final answer
    x = 26,887.65

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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.