Home / 66,532.10-99,810.30-27,093.20

Finding the Fourth Proportional to 66,532.10, 99,810.30 and 27,093.20

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Solution

The fourth proportional to 66,532.10, 99,810.30 and 27,093.20 is: 40,644.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532.10 : 99,810.30 = 27,093.20 : x
  2. Step 2: Convert to fraction form
    66,532.10/99,810.30 = 27,093.20/x
  3. Step 3: Cross multiply
    66,532.10x = 99,810.30 × 27,093.20
  4. Step 4: Simplify right side
    66,532.10x = 2,704,180,419.96
  5. Step 5: Solve for x
    x = 2,704,180,419.96/66,532.10
  6. Step 6: Final answer
    x = 40,644.75

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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.