Home / 117,739.79-162,475.96-66,755.95

Finding the Fourth Proportional to 117,739.79, 162,475.96 and 66,755.95

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Solution

The fourth proportional to 117,739.79, 162,475.96 and 66,755.95 is: 92,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,739.79 : 162,475.96 = 66,755.95 : x
  2. Step 2: Convert to fraction form
    117,739.79/162,475.96 = 66,755.95/x
  3. Step 3: Cross multiply
    117,739.79x = 162,475.96 × 66,755.95
  4. Step 4: Simplify right side
    117,739.79x = 10,846,237,061.96
  5. Step 5: Solve for x
    x = 10,846,237,061.96/117,739.79
  6. Step 6: Final answer
    x = 92,120.40

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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.