Home / 82,716.46-114,145.26-48,726.34

Finding the Fourth Proportional to 82,716.46, 114,145.26 and 48,726.34

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Solution

The fourth proportional to 82,716.46, 114,145.26 and 48,726.34 is: 67,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,716.46 : 114,145.26 = 48,726.34 : x
  2. Step 2: Convert to fraction form
    82,716.46/114,145.26 = 48,726.34/x
  3. Step 3: Cross multiply
    82,716.46x = 114,145.26 × 48,726.34
  4. Step 4: Simplify right side
    82,716.46x = 5,561,880,748.15
  5. Step 5: Solve for x
    x = 5,561,880,748.15/82,716.46
  6. Step 6: Final answer
    x = 67,240.31

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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.