Home / 57,842.20-86,633.70-47,474.20

Finding the Fourth Proportional to 57,842.20, 86,633.70 and 47,474.20

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Solution

The fourth proportional to 57,842.20, 86,633.70 and 47,474.20 is: 71,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,842.20 : 86,633.70 = 47,474.20 : x
  2. Step 2: Convert to fraction form
    57,842.20/86,633.70 = 47,474.20/x
  3. Step 3: Cross multiply
    57,842.20x = 86,633.70 × 47,474.20
  4. Step 4: Simplify right side
    57,842.20x = 4,112,865,600.54
  5. Step 5: Solve for x
    x = 4,112,865,600.54/57,842.20
  6. Step 6: Final answer
    x = 71,104.93

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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.