Home / 66,537.55-99,817.85-27,116.11

Finding the Fourth Proportional to 66,537.55, 99,817.85 and 27,116.11

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Solution

The fourth proportional to 66,537.55, 99,817.85 and 27,116.11 is: 40,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.55 : 99,817.85 = 27,116.11 : x
  2. Step 2: Convert to fraction form
    66,537.55/99,817.85 = 27,116.11/x
  3. Step 3: Cross multiply
    66,537.55x = 99,817.85 × 27,116.11
  4. Step 4: Simplify right side
    66,537.55x = 2,706,671,800.56
  5. Step 5: Solve for x
    x = 2,706,671,800.56/66,537.55
  6. Step 6: Final answer
    x = 40,678.86

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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.