Home / 82,475.96-123,653.36-26,283.72

Finding the Fourth Proportional to 82,475.96, 123,653.36 and 26,283.72

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Solution

The fourth proportional to 82,475.96, 123,653.36 and 26,283.72 is: 39,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.96 : 123,653.36 = 26,283.72 : x
  2. Step 2: Convert to fraction form
    82,475.96/123,653.36 = 26,283.72/x
  3. Step 3: Cross multiply
    82,475.96x = 123,653.36 × 26,283.72
  4. Step 4: Simplify right side
    82,475.96x = 3,250,070,291.30
  5. Step 5: Solve for x
    x = 3,250,070,291.30/82,475.96
  6. Step 6: Final answer
    x = 39,406.27

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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.