Home / 82,481.10-123,721.65-62,798.10

Finding the Fourth Proportional to 82,481.10, 123,721.65 and 62,798.10

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Solution

The fourth proportional to 82,481.10, 123,721.65 and 62,798.10 is: 94,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481.10 : 123,721.65 = 62,798.10 : x
  2. Step 2: Convert to fraction form
    82,481.10/123,721.65 = 62,798.10/x
  3. Step 3: Cross multiply
    82,481.10x = 123,721.65 × 62,798.10
  4. Step 4: Simplify right side
    82,481.10x = 7,769,484,548.87
  5. Step 5: Solve for x
    x = 7,769,484,548.87/82,481.10
  6. Step 6: Final answer
    x = 94,197.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.