Home / 82,725.21-123,774.68-49,009.33

Finding the Fourth Proportional to 82,725.21, 123,774.68 and 49,009.33

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Solution

The fourth proportional to 82,725.21, 123,774.68 and 49,009.33 is: 73,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725.21 : 123,774.68 = 49,009.33 : x
  2. Step 2: Convert to fraction form
    82,725.21/123,774.68 = 49,009.33/x
  3. Step 3: Cross multiply
    82,725.21x = 123,774.68 × 49,009.33
  4. Step 4: Simplify right side
    82,725.21x = 6,066,114,137.76
  5. Step 5: Solve for x
    x = 6,066,114,137.76/82,725.21
  6. Step 6: Final answer
    x = 73,328.48

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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.