Home / 76,231.67-105,252.21-58,295.43

Finding the Fourth Proportional to 76,231.67, 105,252.21 and 58,295.43

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Solution

The fourth proportional to 76,231.67, 105,252.21 and 58,295.43 is: 80,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,231.67 : 105,252.21 = 58,295.43 : x
  2. Step 2: Convert to fraction form
    76,231.67/105,252.21 = 58,295.43/x
  3. Step 3: Cross multiply
    76,231.67x = 105,252.21 × 58,295.43
  4. Step 4: Simplify right side
    76,231.67x = 6,135,722,840.40
  5. Step 5: Solve for x
    x = 6,135,722,840.40/76,231.67
  6. Step 6: Final answer
    x = 80,487.85

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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.