Home / 120,491.84-180,758.44-41,587.60

Finding the Fourth Proportional to 120,491.84, 180,758.44 and 41,587.60

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Solution

The fourth proportional to 120,491.84, 180,758.44 and 41,587.60 is: 62,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,491.84 : 180,758.44 = 41,587.60 : x
  2. Step 2: Convert to fraction form
    120,491.84/180,758.44 = 41,587.60/x
  3. Step 3: Cross multiply
    120,491.84x = 180,758.44 × 41,587.60
  4. Step 4: Simplify right side
    120,491.84x = 7,517,309,699.34
  5. Step 5: Solve for x
    x = 7,517,309,699.34/120,491.84
  6. Step 6: Final answer
    x = 62,388.54

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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.