Home / 56,086.90-84,112.14-18,636.92

Finding the Fourth Proportional to 56,086.90, 84,112.14 and 18,636.92

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Solution

The fourth proportional to 56,086.90, 84,112.14 and 18,636.92 is: 27,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,086.90 : 84,112.14 = 18,636.92 : x
  2. Step 2: Convert to fraction form
    56,086.90/84,112.14 = 18,636.92/x
  3. Step 3: Cross multiply
    56,086.90x = 84,112.14 × 18,636.92
  4. Step 4: Simplify right side
    56,086.90x = 1,567,591,224.21
  5. Step 5: Solve for x
    x = 1,567,591,224.21/56,086.90
  6. Step 6: Final answer
    x = 27,949.33

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1.5x scale

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.