Home / 117,664.31-162,376.75-63,949.45

Finding the Fourth Proportional to 117,664.31, 162,376.75 and 63,949.45

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Solution

The fourth proportional to 117,664.31, 162,376.75 and 63,949.45 is: 88,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.31 : 162,376.75 = 63,949.45 : x
  2. Step 2: Convert to fraction form
    117,664.31/162,376.75 = 63,949.45/x
  3. Step 3: Cross multiply
    117,664.31x = 162,376.75 × 63,949.45
  4. Step 4: Simplify right side
    117,664.31x = 10,383,903,855.29
  5. Step 5: Solve for x
    x = 10,383,903,855.29/117,664.31
  6. Step 6: Final answer
    x = 88,250.24

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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.