Home / 82,982.28-114,424.84-56,078.16

Finding the Fourth Proportional to 82,982.28, 114,424.84 and 56,078.16

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Solution

The fourth proportional to 82,982.28, 114,424.84 and 56,078.16 is: 77,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,982.28 : 114,424.84 = 56,078.16 : x
  2. Step 2: Convert to fraction form
    82,982.28/114,424.84 = 56,078.16/x
  3. Step 3: Cross multiply
    82,982.28x = 114,424.84 × 56,078.16
  4. Step 4: Simplify right side
    82,982.28x = 6,416,734,485.49
  5. Step 5: Solve for x
    x = 6,416,734,485.49/82,982.28
  6. Step 6: Final answer
    x = 77,326.56

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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.