Home / 99,964.44-137,954.58-54,645.48

Finding the Fourth Proportional to 99,964.44, 137,954.58 and 54,645.48

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Solution

The fourth proportional to 99,964.44, 137,954.58 and 54,645.48 is: 75,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,964.44 : 137,954.58 = 54,645.48 : x
  2. Step 2: Convert to fraction form
    99,964.44/137,954.58 = 54,645.48/x
  3. Step 3: Cross multiply
    99,964.44x = 137,954.58 × 54,645.48
  4. Step 4: Simplify right side
    99,964.44x = 7,538,594,242.30
  5. Step 5: Solve for x
    x = 7,538,594,242.30/99,964.44
  6. Step 6: Final answer
    x = 75,412.76

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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.