Home / 123,704.34-170,713.08-67,116.84

Finding the Fourth Proportional to 123,704.34, 170,713.08 and 67,116.84

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Solution

The fourth proportional to 123,704.34, 170,713.08 and 67,116.84 is: 92,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,704.34 : 170,713.08 = 67,116.84 : x
  2. Step 2: Convert to fraction form
    123,704.34/170,713.08 = 67,116.84/x
  3. Step 3: Cross multiply
    123,704.34x = 170,713.08 × 67,116.84
  4. Step 4: Simplify right side
    123,704.34x = 11,457,722,476.27
  5. Step 5: Solve for x
    x = 11,457,722,476.27/123,704.34
  6. Step 6: Final answer
    x = 92,621.83

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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.