Home / 123,683.05-170,682.94-67,094.42

Finding the Fourth Proportional to 123,683.05, 170,682.94 and 67,094.42

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Solution

The fourth proportional to 123,683.05, 170,682.94 and 67,094.42 is: 92,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,683.05 : 170,682.94 = 67,094.42 : x
  2. Step 2: Convert to fraction form
    123,683.05/170,682.94 = 67,094.42/x
  3. Step 3: Cross multiply
    123,683.05x = 170,682.94 × 67,094.42
  4. Step 4: Simplify right side
    123,683.05x = 11,451,873,122.17
  5. Step 5: Solve for x
    x = 11,451,873,122.17/123,683.05
  6. Step 6: Final answer
    x = 92,590.48

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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.