Home / 117,074.90-161,563.56-63,359.96

Finding the Fourth Proportional to 117,074.90, 161,563.56 and 63,359.96

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Solution

The fourth proportional to 117,074.90, 161,563.56 and 63,359.96 is: 87,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,074.90 : 161,563.56 = 63,359.96 : x
  2. Step 2: Convert to fraction form
    117,074.90/161,563.56 = 63,359.96/x
  3. Step 3: Cross multiply
    117,074.90x = 161,563.56 × 63,359.96
  4. Step 4: Simplify right side
    117,074.90x = 10,236,660,865.37
  5. Step 5: Solve for x
    x = 10,236,660,865.37/117,074.90
  6. Step 6: Final answer
    x = 87,436.85

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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.