Home / 82,821.29-114,295.25-47,007.95

Finding the Fourth Proportional to 82,821.29, 114,295.25 and 47,007.95

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Solution

The fourth proportional to 82,821.29, 114,295.25 and 47,007.95 is: 64,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,821.29 : 114,295.25 = 47,007.95 : x
  2. Step 2: Convert to fraction form
    82,821.29/114,295.25 = 47,007.95/x
  3. Step 3: Cross multiply
    82,821.29x = 114,295.25 × 47,007.95
  4. Step 4: Simplify right side
    82,821.29x = 5,372,784,943.28
  5. Step 5: Solve for x
    x = 5,372,784,943.28/82,821.29
  6. Step 6: Final answer
    x = 64,872.03

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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.