Home / 124,583.62-186,764.32-45,679.50

Finding the Fourth Proportional to 124,583.62, 186,764.32 and 45,679.50

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Solution

The fourth proportional to 124,583.62, 186,764.32 and 45,679.50 is: 68,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,583.62 : 186,764.32 = 45,679.50 : x
  2. Step 2: Convert to fraction form
    124,583.62/186,764.32 = 45,679.50/x
  3. Step 3: Cross multiply
    124,583.62x = 186,764.32 × 45,679.50
  4. Step 4: Simplify right side
    124,583.62x = 8,531,300,755.44
  5. Step 5: Solve for x
    x = 8,531,300,755.44/124,583.62
  6. Step 6: Final answer
    x = 68,478.51

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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.