Home / 56,725.48-85,100.91-17,285.68

Finding the Fourth Proportional to 56,725.48, 85,100.91 and 17,285.68

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Solution

The fourth proportional to 56,725.48, 85,100.91 and 17,285.68 is: 25,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.48 : 85,100.91 = 17,285.68 : x
  2. Step 2: Convert to fraction form
    56,725.48/85,100.91 = 17,285.68/x
  3. Step 3: Cross multiply
    56,725.48x = 85,100.91 × 17,285.68
  4. Step 4: Simplify right side
    56,725.48x = 1,471,027,097.97
  5. Step 5: Solve for x
    x = 1,471,027,097.97/56,725.48
  6. Step 6: Final answer
    x = 25,932.39

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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.