Home / 118,682.44-163,780.82-64,966.36

Finding the Fourth Proportional to 118,682.44, 163,780.82 and 64,966.36

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Solution

The fourth proportional to 118,682.44, 163,780.82 and 64,966.36 is: 89,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,682.44 : 163,780.82 = 64,966.36 : x
  2. Step 2: Convert to fraction form
    118,682.44/163,780.82 = 64,966.36/x
  3. Step 3: Cross multiply
    118,682.44x = 163,780.82 × 64,966.36
  4. Step 4: Simplify right side
    118,682.44x = 10,640,243,713.22
  5. Step 5: Solve for x
    x = 10,640,243,713.22/118,682.44
  6. Step 6: Final answer
    x = 89,653.06

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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.