Home / 124,780.50-187,170.75-41,674.50

Finding the Fourth Proportional to 124,780.50, 187,170.75 and 41,674.50

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Solution

The fourth proportional to 124,780.50, 187,170.75 and 41,674.50 is: 62,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,780.50 : 187,170.75 = 41,674.50 : x
  2. Step 2: Convert to fraction form
    124,780.50/187,170.75 = 41,674.50/x
  3. Step 3: Cross multiply
    124,780.50x = 187,170.75 × 41,674.50
  4. Step 4: Simplify right side
    124,780.50x = 7,800,247,420.88
  5. Step 5: Solve for x
    x = 7,800,247,420.88/124,780.50
  6. Step 6: Final answer
    x = 62,511.75

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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.