Home / 56,716.34-85,087.21-17,276.54

Finding the Fourth Proportional to 56,716.34, 85,087.21 and 17,276.54

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Solution

The fourth proportional to 56,716.34, 85,087.21 and 17,276.54 is: 25,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.34 : 85,087.21 = 17,276.54 : x
  2. Step 2: Convert to fraction form
    56,716.34/85,087.21 = 17,276.54/x
  3. Step 3: Cross multiply
    56,716.34x = 85,087.21 × 17,276.54
  4. Step 4: Simplify right side
    56,716.34x = 1,470,012,587.05
  5. Step 5: Solve for x
    x = 1,470,012,587.05/56,716.34
  6. Step 6: Final answer
    x = 25,918.68

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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.