Home / 82,431.96-123,664.35-26,270.25

Finding the Fourth Proportional to 82,431.96, 123,664.35 and 26,270.25

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Solution

The fourth proportional to 82,431.96, 123,664.35 and 26,270.25 is: 39,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,431.96 : 123,664.35 = 26,270.25 : x
  2. Step 2: Convert to fraction form
    82,431.96/123,664.35 = 26,270.25/x
  3. Step 3: Cross multiply
    82,431.96x = 123,664.35 × 26,270.25
  4. Step 4: Simplify right side
    82,431.96x = 3,248,693,390.59
  5. Step 5: Solve for x
    x = 3,248,693,390.59/82,431.96
  6. Step 6: Final answer
    x = 39,410.60

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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.