Home / 101,028.38-139,449.75-58,597.34

Finding the Fourth Proportional to 101,028.38, 139,449.75 and 58,597.34

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Solution

The fourth proportional to 101,028.38, 139,449.75 and 58,597.34 is: 80,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,028.38 : 139,449.75 = 58,597.34 : x
  2. Step 2: Convert to fraction form
    101,028.38/139,449.75 = 58,597.34/x
  3. Step 3: Cross multiply
    101,028.38x = 139,449.75 × 58,597.34
  4. Step 4: Simplify right side
    101,028.38x = 8,171,384,413.67
  5. Step 5: Solve for x
    x = 8,171,384,413.67/101,028.38
  6. Step 6: Final answer
    x = 80,882.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.