Home / 103,628.28-155,469.78-37,075.08

Finding the Fourth Proportional to 103,628.28, 155,469.78 and 37,075.08

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Solution

The fourth proportional to 103,628.28, 155,469.78 and 37,075.08 is: 55,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.28 : 155,469.78 = 37,075.08 : x
  2. Step 2: Convert to fraction form
    103,628.28/155,469.78 = 37,075.08/x
  3. Step 3: Cross multiply
    103,628.28x = 155,469.78 × 37,075.08
  4. Step 4: Simplify right side
    103,628.28x = 5,764,054,531.08
  5. Step 5: Solve for x
    x = 5,764,054,531.08/103,628.28
  6. Step 6: Final answer
    x = 55,622.41

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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.