Home / 82,386.26-123,589.11-61,740.98

Finding the Fourth Proportional to 82,386.26, 123,589.11 and 61,740.98

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Solution

The fourth proportional to 82,386.26, 123,589.11 and 61,740.98 is: 92,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,386.26 : 123,589.11 = 61,740.98 : x
  2. Step 2: Convert to fraction form
    82,386.26/123,589.11 = 61,740.98/x
  3. Step 3: Cross multiply
    82,386.26x = 123,589.11 × 61,740.98
  4. Step 4: Simplify right side
    82,386.26x = 7,630,512,768.73
  5. Step 5: Solve for x
    x = 7,630,512,768.73/82,386.26
  6. Step 6: Final answer
    x = 92,618.75

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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.