Home / 120,559.28-180,780.60-41,645.84

Finding the Fourth Proportional to 120,559.28, 180,780.60 and 41,645.84

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Solution

The fourth proportional to 120,559.28, 180,780.60 and 41,645.84 is: 62,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,559.28 : 180,780.60 = 41,645.84 : x
  2. Step 2: Convert to fraction form
    120,559.28/180,780.60 = 41,645.84/x
  3. Step 3: Cross multiply
    120,559.28x = 180,780.60 × 41,645.84
  4. Step 4: Simplify right side
    120,559.28x = 7,528,759,942.70
  5. Step 5: Solve for x
    x = 7,528,759,942.70/120,559.28
  6. Step 6: Final answer
    x = 62,448.61

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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.