Home / 124,676.50-187,033.20-45,784.57

Finding the Fourth Proportional to 124,676.50, 187,033.20 and 45,784.57

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Solution

The fourth proportional to 124,676.50, 187,033.20 and 45,784.57 is: 68,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,676.50 : 187,033.20 = 45,784.57 : x
  2. Step 2: Convert to fraction form
    124,676.50/187,033.20 = 45,784.57/x
  3. Step 3: Cross multiply
    124,676.50x = 187,033.20 × 45,784.57
  4. Step 4: Simplify right side
    124,676.50x = 8,563,234,408.80
  5. Step 5: Solve for x
    x = 8,563,234,408.80/124,676.50
  6. Step 6: Final answer
    x = 68,683.63

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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.