Home / 82,450.62-113,781.89-46,639.87

Finding the Fourth Proportional to 82,450.62, 113,781.89 and 46,639.87

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Solution

The fourth proportional to 82,450.62, 113,781.89 and 46,639.87 is: 64,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,450.62 : 113,781.89 = 46,639.87 : x
  2. Step 2: Convert to fraction form
    82,450.62/113,781.89 = 46,639.87/x
  3. Step 3: Cross multiply
    82,450.62x = 113,781.89 × 46,639.87
  4. Step 4: Simplify right side
    82,450.62x = 5,306,772,390.10
  5. Step 5: Solve for x
    x = 5,306,772,390.10/82,450.62
  6. Step 6: Final answer
    x = 64,363.04

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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.