Home / 124,678.50-187,099.82-45,793.41

Finding the Fourth Proportional to 124,678.50, 187,099.82 and 45,793.41

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Solution

The fourth proportional to 124,678.50, 187,099.82 and 45,793.41 is: 68,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,678.50 : 187,099.82 = 45,793.41 : x
  2. Step 2: Convert to fraction form
    124,678.50/187,099.82 = 45,793.41/x
  3. Step 3: Cross multiply
    124,678.50x = 187,099.82 × 45,793.41
  4. Step 4: Simplify right side
    124,678.50x = 8,567,938,539.22
  5. Step 5: Solve for x
    x = 8,567,938,539.22/124,678.50
  6. Step 6: Final answer
    x = 68,720.26

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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.