Home / 117,704.31-162,446.90-66,725.34

Finding the Fourth Proportional to 117,704.31, 162,446.90 and 66,725.34

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Solution

The fourth proportional to 117,704.31, 162,446.90 and 66,725.34 is: 92,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,704.31 : 162,446.90 = 66,725.34 : x
  2. Step 2: Convert to fraction form
    117,704.31/162,446.90 = 66,725.34/x
  3. Step 3: Cross multiply
    117,704.31x = 162,446.90 × 66,725.34
  4. Step 4: Simplify right side
    117,704.31x = 10,839,324,300.82
  5. Step 5: Solve for x
    x = 10,839,324,300.82/117,704.31
  6. Step 6: Final answer
    x = 92,089.44

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1.5x scale

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.