Home / 45,075.80-62,219.39-31,650.41

Finding the Fourth Proportional to 45,075.80, 62,219.39 and 31,650.41

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Solution

The fourth proportional to 45,075.80, 62,219.39 and 31,650.41 is: 43,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,075.80 : 62,219.39 = 31,650.41 : x
  2. Step 2: Convert to fraction form
    45,075.80/62,219.39 = 31,650.41/x
  3. Step 3: Cross multiply
    45,075.80x = 62,219.39 × 31,650.41
  4. Step 4: Simplify right side
    45,075.80x = 1,969,268,734.10
  5. Step 5: Solve for x
    x = 1,969,268,734.10/45,075.80
  6. Step 6: Final answer
    x = 43,687.94

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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.