Home / 85,195.69-127,816.54-26,029.75

Finding the Fourth Proportional to 85,195.69, 127,816.54 and 26,029.75

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Solution

The fourth proportional to 85,195.69, 127,816.54 and 26,029.75 is: 39,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,195.69 : 127,816.54 = 26,029.75 : x
  2. Step 2: Convert to fraction form
    85,195.69/127,816.54 = 26,029.75/x
  3. Step 3: Cross multiply
    85,195.69x = 127,816.54 × 26,029.75
  4. Step 4: Simplify right side
    85,195.69x = 3,327,031,942.98
  5. Step 5: Solve for x
    x = 3,327,031,942.98/85,195.69
  6. Step 6: Final answer
    x = 39,051.65

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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.