Home / 82,355.20-113,612.46-48,363.08

Finding the Fourth Proportional to 82,355.20, 113,612.46 and 48,363.08

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Solution

The fourth proportional to 82,355.20, 113,612.46 and 48,363.08 is: 66,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355.20 : 113,612.46 = 48,363.08 : x
  2. Step 2: Convert to fraction form
    82,355.20/113,612.46 = 48,363.08/x
  3. Step 3: Cross multiply
    82,355.20x = 113,612.46 × 48,363.08
  4. Step 4: Simplify right side
    82,355.20x = 5,494,647,742.55
  5. Step 5: Solve for x
    x = 5,494,647,742.55/82,355.20
  6. Step 6: Final answer
    x = 66,718.89

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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.