Home / 120,724.07-181,087.01-45,824.02

Finding the Fourth Proportional to 120,724.07, 181,087.01 and 45,824.02

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Solution

The fourth proportional to 120,724.07, 181,087.01 and 45,824.02 is: 68,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.07 : 181,087.01 = 45,824.02 : x
  2. Step 2: Convert to fraction form
    120,724.07/181,087.01 = 45,824.02/x
  3. Step 3: Cross multiply
    120,724.07x = 181,087.01 × 45,824.02
  4. Step 4: Simplify right side
    120,724.07x = 8,298,134,086.14
  5. Step 5: Solve for x
    x = 8,298,134,086.14/120,724.07
  6. Step 6: Final answer
    x = 68,736.37

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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.