Home / 74,396.35-111,595.43-21,806.90

Finding the Fourth Proportional to 74,396.35, 111,595.43 and 21,806.90

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Solution

The fourth proportional to 74,396.35, 111,595.43 and 21,806.90 is: 32,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,396.35 : 111,595.43 = 21,806.90 : x
  2. Step 2: Convert to fraction form
    74,396.35/111,595.43 = 21,806.90/x
  3. Step 3: Cross multiply
    74,396.35x = 111,595.43 × 21,806.90
  4. Step 4: Simplify right side
    74,396.35x = 2,433,550,158.00
  5. Step 5: Solve for x
    x = 2,433,550,158.00/74,396.35
  6. Step 6: Final answer
    x = 32,710.61

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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.