Home / 120,732.36-181,074.60-60,744.84

Finding the Fourth Proportional to 120,732.36, 181,074.60 and 60,744.84

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Solution

The fourth proportional to 120,732.36, 181,074.60 and 60,744.84 is: 91,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,732.36 : 181,074.60 = 60,744.84 : x
  2. Step 2: Convert to fraction form
    120,732.36/181,074.60 = 60,744.84/x
  3. Step 3: Cross multiply
    120,732.36x = 181,074.60 × 60,744.84
  4. Step 4: Simplify right side
    120,732.36x = 10,999,347,605.06
  5. Step 5: Solve for x
    x = 10,999,347,605.06/120,732.36
  6. Step 6: Final answer
    x = 91,105.21

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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.