Home / 83,012.45-114,556.66-47,202.46

Finding the Fourth Proportional to 83,012.45, 114,556.66 and 47,202.46

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Solution

The fourth proportional to 83,012.45, 114,556.66 and 47,202.46 is: 65,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,012.45 : 114,556.66 = 47,202.46 : x
  2. Step 2: Convert to fraction form
    83,012.45/114,556.66 = 47,202.46/x
  3. Step 3: Cross multiply
    83,012.45x = 114,556.66 × 47,202.46
  4. Step 4: Simplify right side
    83,012.45x = 5,407,355,756.99
  5. Step 5: Solve for x
    x = 5,407,355,756.99/83,012.45
  6. Step 6: Final answer
    x = 65,139.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.