Home / 117,968.82-176,981.17-51,420.84

Finding the Fourth Proportional to 117,968.82, 176,981.17 and 51,420.84

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Solution

The fourth proportional to 117,968.82, 176,981.17 and 51,420.84 is: 77,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,968.82 : 176,981.17 = 51,420.84 : x
  2. Step 2: Convert to fraction form
    117,968.82/176,981.17 = 51,420.84/x
  3. Step 3: Cross multiply
    117,968.82x = 176,981.17 × 51,420.84
  4. Step 4: Simplify right side
    117,968.82x = 9,100,520,425.58
  5. Step 5: Solve for x
    x = 9,100,520,425.58/117,968.82
  6. Step 6: Final answer
    x = 77,143.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.