Home / 82,209.89-123,319.08-26,055.96

Finding the Fourth Proportional to 82,209.89, 123,319.08 and 26,055.96

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Solution

The fourth proportional to 82,209.89, 123,319.08 and 26,055.96 is: 39,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,209.89 : 123,319.08 = 26,055.96 : x
  2. Step 2: Convert to fraction form
    82,209.89/123,319.08 = 26,055.96/x
  3. Step 3: Cross multiply
    82,209.89x = 123,319.08 × 26,055.96
  4. Step 4: Simplify right side
    82,209.89x = 3,213,196,885.44
  5. Step 5: Solve for x
    x = 3,213,196,885.44/82,209.89
  6. Step 6: Final answer
    x = 39,085.29

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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.