Home / 83,949.10-115,846.87-45,708.03

Finding the Fourth Proportional to 83,949.10, 115,846.87 and 45,708.03

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Solution

The fourth proportional to 83,949.10, 115,846.87 and 45,708.03 is: 63,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,949.10 : 115,846.87 = 45,708.03 : x
  2. Step 2: Convert to fraction form
    83,949.10/115,846.87 = 45,708.03/x
  3. Step 3: Cross multiply
    83,949.10x = 115,846.87 × 45,708.03
  4. Step 4: Simplify right side
    83,949.10x = 5,295,132,733.80
  5. Step 5: Solve for x
    x = 5,295,132,733.80/83,949.10
  6. Step 6: Final answer
    x = 63,075.52

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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.