Home / 120,615.90-180,941.67-41,708.94

Finding the Fourth Proportional to 120,615.90, 180,941.67 and 41,708.94

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Solution

The fourth proportional to 120,615.90, 180,941.67 and 41,708.94 is: 62,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,615.90 : 180,941.67 = 41,708.94 : x
  2. Step 2: Convert to fraction form
    120,615.90/180,941.67 = 41,708.94/x
  3. Step 3: Cross multiply
    120,615.90x = 180,941.67 × 41,708.94
  4. Step 4: Simplify right side
    120,615.90x = 7,546,885,257.53
  5. Step 5: Solve for x
    x = 7,546,885,257.53/120,615.90
  6. Step 6: Final answer
    x = 62,569.57

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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.