Home / 123,685.19-170,685.89-67,096.56

Finding the Fourth Proportional to 123,685.19, 170,685.89 and 67,096.56

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Solution

The fourth proportional to 123,685.19, 170,685.89 and 67,096.56 is: 92,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,685.19 : 170,685.89 = 67,096.56 : x
  2. Step 2: Convert to fraction form
    123,685.19/170,685.89 = 67,096.56/x
  3. Step 3: Cross multiply
    123,685.19x = 170,685.89 × 67,096.56
  4. Step 4: Simplify right side
    123,685.19x = 11,452,436,615.74
  5. Step 5: Solve for x
    x = 11,452,436,615.74/123,685.19
  6. Step 6: Final answer
    x = 92,593.44

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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.