Home / 57,060.69-78,743.30-31,910.19

Finding the Fourth Proportional to 57,060.69, 78,743.30 and 31,910.19

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Solution

The fourth proportional to 57,060.69, 78,743.30 and 31,910.19 is: 44,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060.69 : 78,743.30 = 31,910.19 : x
  2. Step 2: Convert to fraction form
    57,060.69/78,743.30 = 31,910.19/x
  3. Step 3: Cross multiply
    57,060.69x = 78,743.30 × 31,910.19
  4. Step 4: Simplify right side
    57,060.69x = 2,512,713,504.68
  5. Step 5: Solve for x
    x = 2,512,713,504.68/57,060.69
  6. Step 6: Final answer
    x = 44,035.81

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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.