Home / 117,106.98-161,607.57-63,392.43

Finding the Fourth Proportional to 117,106.98, 161,607.57 and 63,392.43

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Solution

The fourth proportional to 117,106.98, 161,607.57 and 63,392.43 is: 87,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,106.98 : 161,607.57 = 63,392.43 : x
  2. Step 2: Convert to fraction form
    117,106.98/161,607.57 = 63,392.43/x
  3. Step 3: Cross multiply
    117,106.98x = 161,607.57 × 63,392.43
  4. Step 4: Simplify right side
    117,106.98x = 10,244,696,568.70
  5. Step 5: Solve for x
    x = 10,244,696,568.70/117,106.98
  6. Step 6: Final answer
    x = 87,481.52

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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.