Home / 117,965.44-162,790.68-67,663.36

Finding the Fourth Proportional to 117,965.44, 162,790.68 and 67,663.36

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Solution

The fourth proportional to 117,965.44, 162,790.68 and 67,663.36 is: 93,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,965.44 : 162,790.68 = 67,663.36 : x
  2. Step 2: Convert to fraction form
    117,965.44/162,790.68 = 67,663.36/x
  3. Step 3: Cross multiply
    117,965.44x = 162,790.68 × 67,663.36
  4. Step 4: Simplify right side
    117,965.44x = 11,014,964,385.48
  5. Step 5: Solve for x
    x = 11,014,964,385.48/117,965.44
  6. Step 6: Final answer
    x = 93,374.50

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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.