Home / 82,712.91-114,137.60-48,724.35

Finding the Fourth Proportional to 82,712.91, 114,137.60 and 48,724.35

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Solution

The fourth proportional to 82,712.91, 114,137.60 and 48,724.35 is: 67,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,712.91 : 114,137.60 = 48,724.35 : x
  2. Step 2: Convert to fraction form
    82,712.91/114,137.60 = 48,724.35/x
  3. Step 3: Cross multiply
    82,712.91x = 114,137.60 × 48,724.35
  4. Step 4: Simplify right side
    82,712.91x = 5,561,280,126.94
  5. Step 5: Solve for x
    x = 5,561,280,126.94/82,712.91
  6. Step 6: Final answer
    x = 67,235.94

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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.