Home / 120,626.57-180,887.05-49,500.41

Finding the Fourth Proportional to 120,626.57, 180,887.05 and 49,500.41

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Solution

The fourth proportional to 120,626.57, 180,887.05 and 49,500.41 is: 74,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,626.57 : 180,887.05 = 49,500.41 : x
  2. Step 2: Convert to fraction form
    120,626.57/180,887.05 = 49,500.41/x
  3. Step 3: Cross multiply
    120,626.57x = 180,887.05 × 49,500.41
  4. Step 4: Simplify right side
    120,626.57x = 8,953,982,110.50
  5. Step 5: Solve for x
    x = 8,953,982,110.50/120,626.57
  6. Step 6: Final answer
    x = 74,228.94

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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.