Home / 123,724.06-185,709.11-57,179.12

Finding the Fourth Proportional to 123,724.06, 185,709.11 and 57,179.12

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Solution

The fourth proportional to 123,724.06, 185,709.11 and 57,179.12 is: 85,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.06 : 185,709.11 = 57,179.12 : x
  2. Step 2: Convert to fraction form
    123,724.06/185,709.11 = 57,179.12/x
  3. Step 3: Cross multiply
    123,724.06x = 185,709.11 × 57,179.12
  4. Step 4: Simplify right side
    123,724.06x = 10,618,682,271.34
  5. Step 5: Solve for x
    x = 10,618,682,271.34/123,724.06
  6. Step 6: Final answer
    x = 85,825.53

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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.