Home / 76,238.46-114,336-48,116.43

Finding the Fourth Proportional to 76,238.46, 114,336 and 48,116.43

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Solution

The fourth proportional to 76,238.46, 114,336 and 48,116.43 is: 72,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,238.46 : 114,336 = 48,116.43 : x
  2. Step 2: Convert to fraction form
    76,238.46/114,336 = 48,116.43/x
  3. Step 3: Cross multiply
    76,238.46x = 114,336 × 48,116.43
  4. Step 4: Simplify right side
    76,238.46x = 5,501,440,140.48
  5. Step 5: Solve for x
    x = 5,501,440,140.48/76,238.46
  6. Step 6: Final answer
    x = 72,160.96

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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.