Home / 104,122.72-143,683.68-61,096.42

Finding the Fourth Proportional to 104,122.72, 143,683.68 and 61,096.42

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Solution

The fourth proportional to 104,122.72, 143,683.68 and 61,096.42 is: 84,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,122.72 : 143,683.68 = 61,096.42 : x
  2. Step 2: Convert to fraction form
    104,122.72/143,683.68 = 61,096.42/x
  3. Step 3: Cross multiply
    104,122.72x = 143,683.68 × 61,096.42
  4. Step 4: Simplify right side
    104,122.72x = 8,778,558,460.43
  5. Step 5: Solve for x
    x = 8,778,558,460.43/104,122.72
  6. Step 6: Final answer
    x = 84,309.73

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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.