Home / 117,548.52-162,231.78-72,843.24

Finding the Fourth Proportional to 117,548.52, 162,231.78 and 72,843.24

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Solution

The fourth proportional to 117,548.52, 162,231.78 and 72,843.24 is: 100,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,548.52 : 162,231.78 = 72,843.24 : x
  2. Step 2: Convert to fraction form
    117,548.52/162,231.78 = 72,843.24/x
  3. Step 3: Cross multiply
    117,548.52x = 162,231.78 × 72,843.24
  4. Step 4: Simplify right side
    117,548.52x = 11,817,488,486.17
  5. Step 5: Solve for x
    x = 11,817,488,486.17/117,548.52
  6. Step 6: Final answer
    x = 100,532.86

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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.