Home / 82,692.45-124,049.73-26,513.91

Finding the Fourth Proportional to 82,692.45, 124,049.73 and 26,513.91

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Solution

The fourth proportional to 82,692.45, 124,049.73 and 26,513.91 is: 39,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,692.45 : 124,049.73 = 26,513.91 : x
  2. Step 2: Convert to fraction form
    82,692.45/124,049.73 = 26,513.91/x
  3. Step 3: Cross multiply
    82,692.45x = 124,049.73 × 26,513.91
  4. Step 4: Simplify right side
    82,692.45x = 3,289,043,376.74
  5. Step 5: Solve for x
    x = 3,289,043,376.74/82,692.45
  6. Step 6: Final answer
    x = 39,774.41

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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.