Home / 120,613.24-180,936.32-41,706.28

Finding the Fourth Proportional to 120,613.24, 180,936.32 and 41,706.28

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Solution

The fourth proportional to 120,613.24, 180,936.32 and 41,706.28 is: 62,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,613.24 : 180,936.32 = 41,706.28 : x
  2. Step 2: Convert to fraction form
    120,613.24/180,936.32 = 41,706.28/x
  3. Step 3: Cross multiply
    120,613.24x = 180,936.32 × 41,706.28
  4. Step 4: Simplify right side
    120,613.24x = 7,546,180,824.09
  5. Step 5: Solve for x
    x = 7,546,180,824.09/120,613.24
  6. Step 6: Final answer
    x = 62,565.11

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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.