Home / 120,561.77-180,842.66-41,632.94

Finding the Fourth Proportional to 120,561.77, 180,842.66 and 41,632.94

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Solution

The fourth proportional to 120,561.77, 180,842.66 and 41,632.94 is: 62,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,561.77 : 180,842.66 = 41,632.94 : x
  2. Step 2: Convert to fraction form
    120,561.77/180,842.66 = 41,632.94/x
  3. Step 3: Cross multiply
    120,561.77x = 180,842.66 × 41,632.94
  4. Step 4: Simplify right side
    120,561.77x = 7,529,012,013.29
  5. Step 5: Solve for x
    x = 7,529,012,013.29/120,561.77
  6. Step 6: Final answer
    x = 62,449.41

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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.