Home / 96,530.40-144,601.20-54,928.80

Finding the Fourth Proportional to 96,530.40, 144,601.20 and 54,928.80

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Solution

The fourth proportional to 96,530.40, 144,601.20 and 54,928.80 is: 82,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,530.40 : 144,601.20 = 54,928.80 : x
  2. Step 2: Convert to fraction form
    96,530.40/144,601.20 = 54,928.80/x
  3. Step 3: Cross multiply
    96,530.40x = 144,601.20 × 54,928.80
  4. Step 4: Simplify right side
    96,530.40x = 7,942,770,394.56
  5. Step 5: Solve for x
    x = 7,942,770,394.56/96,530.40
  6. Step 6: Final answer
    x = 82,282.58

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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.