Home / 66,640.44-99,965.83-22,267.35

Finding the Fourth Proportional to 66,640.44, 99,965.83 and 22,267.35

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Solution

The fourth proportional to 66,640.44, 99,965.83 and 22,267.35 is: 33,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,640.44 : 99,965.83 = 22,267.35 : x
  2. Step 2: Convert to fraction form
    66,640.44/99,965.83 = 22,267.35/x
  3. Step 3: Cross multiply
    66,640.44x = 99,965.83 × 22,267.35
  4. Step 4: Simplify right side
    66,640.44x = 2,225,974,068.98
  5. Step 5: Solve for x
    x = 2,225,974,068.98/66,640.44
  6. Step 6: Final answer
    x = 33,402.75

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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.