Home / 103,698.44-155,546.64-47,522.60

Finding the Fourth Proportional to 103,698.44, 155,546.64 and 47,522.60

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Solution

The fourth proportional to 103,698.44, 155,546.64 and 47,522.60 is: 71,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.44 : 155,546.64 = 47,522.60 : x
  2. Step 2: Convert to fraction form
    103,698.44/155,546.64 = 47,522.60/x
  3. Step 3: Cross multiply
    103,698.44x = 155,546.64 × 47,522.60
  4. Step 4: Simplify right side
    103,698.44x = 7,391,980,754.06
  5. Step 5: Solve for x
    x = 7,391,980,754.06/103,698.44
  6. Step 6: Final answer
    x = 71,283.43

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1.5x scale

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.