Home / 117,705.36-162,429.44-67,394.64

Finding the Fourth Proportional to 117,705.36, 162,429.44 and 67,394.64

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Solution

The fourth proportional to 117,705.36, 162,429.44 and 67,394.64 is: 93,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,705.36 : 162,429.44 = 67,394.64 : x
  2. Step 2: Convert to fraction form
    117,705.36/162,429.44 = 67,394.64/x
  3. Step 3: Cross multiply
    117,705.36x = 162,429.44 × 67,394.64
  4. Step 4: Simplify right side
    117,705.36x = 10,946,873,634.20
  5. Step 5: Solve for x
    x = 10,946,873,634.20/117,705.36
  6. Step 6: Final answer
    x = 93,002.34

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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.