Home / 83,763.03-125,650.66-31,172.50

Finding the Fourth Proportional to 83,763.03, 125,650.66 and 31,172.50

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Solution

The fourth proportional to 83,763.03, 125,650.66 and 31,172.50 is: 46,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,763.03 : 125,650.66 = 31,172.50 : x
  2. Step 2: Convert to fraction form
    83,763.03/125,650.66 = 31,172.50/x
  3. Step 3: Cross multiply
    83,763.03x = 125,650.66 × 31,172.50
  4. Step 4: Simplify right side
    83,763.03x = 3,916,845,198.85
  5. Step 5: Solve for x
    x = 3,916,845,198.85/83,763.03
  6. Step 6: Final answer
    x = 46,761.03

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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.