Home / 104,517.23-144,231.39-56,769.57

Finding the Fourth Proportional to 104,517.23, 144,231.39 and 56,769.57

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Solution

The fourth proportional to 104,517.23, 144,231.39 and 56,769.57 is: 78,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.23 : 144,231.39 = 56,769.57 : x
  2. Step 2: Convert to fraction form
    104,517.23/144,231.39 = 56,769.57/x
  3. Step 3: Cross multiply
    104,517.23x = 144,231.39 × 56,769.57
  4. Step 4: Simplify right side
    104,517.23x = 8,187,953,990.80
  5. Step 5: Solve for x
    x = 8,187,953,990.80/104,517.23
  6. Step 6: Final answer
    x = 78,340.71

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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.