Home / 82,587.45-123,885.87-23,418.44

Finding the Fourth Proportional to 82,587.45, 123,885.87 and 23,418.44

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Solution

The fourth proportional to 82,587.45, 123,885.87 and 23,418.44 is: 35,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,587.45 : 123,885.87 = 23,418.44 : x
  2. Step 2: Convert to fraction form
    82,587.45/123,885.87 = 23,418.44/x
  3. Step 3: Cross multiply
    82,587.45x = 123,885.87 × 23,418.44
  4. Step 4: Simplify right side
    82,587.45x = 2,901,213,813.44
  5. Step 5: Solve for x
    x = 2,901,213,813.44/82,587.45
  6. Step 6: Final answer
    x = 35,128.99

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1.5x scale

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.