Home / 117,022.40-175,548-38,115.44

Finding the Fourth Proportional to 117,022.40, 175,548 and 38,115.44

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Solution

The fourth proportional to 117,022.40, 175,548 and 38,115.44 is: 57,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.40 : 175,548 = 38,115.44 : x
  2. Step 2: Convert to fraction form
    117,022.40/175,548 = 38,115.44/x
  3. Step 3: Cross multiply
    117,022.40x = 175,548 × 38,115.44
  4. Step 4: Simplify right side
    117,022.40x = 6,691,089,261.12
  5. Step 5: Solve for x
    x = 6,691,089,261.12/117,022.40
  6. Step 6: Final answer
    x = 57,177.85

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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.