Home / 77,028.12-115,542.60-23,719.44

Finding the Fourth Proportional to 77,028.12, 115,542.60 and 23,719.44

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Solution

The fourth proportional to 77,028.12, 115,542.60 and 23,719.44 is: 35,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,028.12 : 115,542.60 = 23,719.44 : x
  2. Step 2: Convert to fraction form
    77,028.12/115,542.60 = 23,719.44/x
  3. Step 3: Cross multiply
    77,028.12x = 115,542.60 × 23,719.44
  4. Step 4: Simplify right side
    77,028.12x = 2,740,605,768.14
  5. Step 5: Solve for x
    x = 2,740,605,768.14/77,028.12
  6. Step 6: Final answer
    x = 35,579.29

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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.