Home / 56,678.50-85,021.26-17,238.52

Finding the Fourth Proportional to 56,678.50, 85,021.26 and 17,238.52

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Solution

The fourth proportional to 56,678.50, 85,021.26 and 17,238.52 is: 25,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,678.50 : 85,021.26 = 17,238.52 : x
  2. Step 2: Convert to fraction form
    56,678.50/85,021.26 = 17,238.52/x
  3. Step 3: Cross multiply
    56,678.50x = 85,021.26 × 17,238.52
  4. Step 4: Simplify right side
    56,678.50x = 1,465,640,690.94
  5. Step 5: Solve for x
    x = 1,465,640,690.94/56,678.50
  6. Step 6: Final answer
    x = 25,858.85

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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.