Home / 74,640.92-111,961.50-22,087.30

Finding the Fourth Proportional to 74,640.92, 111,961.50 and 22,087.30

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Solution

The fourth proportional to 74,640.92, 111,961.50 and 22,087.30 is: 33,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640.92 : 111,961.50 = 22,087.30 : x
  2. Step 2: Convert to fraction form
    74,640.92/111,961.50 = 22,087.30/x
  3. Step 3: Cross multiply
    74,640.92x = 111,961.50 × 22,087.30
  4. Step 4: Simplify right side
    74,640.92x = 2,472,927,238.95
  5. Step 5: Solve for x
    x = 2,472,927,238.95/74,640.92
  6. Step 6: Final answer
    x = 33,130.99

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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.