Home / 118,846.98-163,968.10-67,822.88

Finding the Fourth Proportional to 118,846.98, 163,968.10 and 67,822.88

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Solution

The fourth proportional to 118,846.98, 163,968.10 and 67,822.88 is: 93,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,846.98 : 163,968.10 = 67,822.88 : x
  2. Step 2: Convert to fraction form
    118,846.98/163,968.10 = 67,822.88/x
  3. Step 3: Cross multiply
    118,846.98x = 163,968.10 × 67,822.88
  4. Step 4: Simplify right side
    118,846.98x = 11,120,787,780.73
  5. Step 5: Solve for x
    x = 11,120,787,780.73/118,846.98
  6. Step 6: Final answer
    x = 93,572.32

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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.