Home / 52,713.54-78,942.33-28,984.86

Finding the Fourth Proportional to 52,713.54, 78,942.33 and 28,984.86

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Solution

The fourth proportional to 52,713.54, 78,942.33 and 28,984.86 is: 43,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,713.54 : 78,942.33 = 28,984.86 : x
  2. Step 2: Convert to fraction form
    52,713.54/78,942.33 = 28,984.86/x
  3. Step 3: Cross multiply
    52,713.54x = 78,942.33 × 28,984.86
  4. Step 4: Simplify right side
    52,713.54x = 2,288,132,383.12
  5. Step 5: Solve for x
    x = 2,288,132,383.12/52,713.54
  6. Step 6: Final answer
    x = 43,406.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.