Home / 66,538.22-99,813.65-22,168.04

Finding the Fourth Proportional to 66,538.22, 99,813.65 and 22,168.04

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Solution

The fourth proportional to 66,538.22, 99,813.65 and 22,168.04 is: 33,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.22 : 99,813.65 = 22,168.04 : x
  2. Step 2: Convert to fraction form
    66,538.22/99,813.65 = 22,168.04/x
  3. Step 3: Cross multiply
    66,538.22x = 99,813.65 × 22,168.04
  4. Step 4: Simplify right side
    66,538.22x = 2,212,672,375.84
  5. Step 5: Solve for x
    x = 2,212,672,375.84/66,538.22
  6. Step 6: Final answer
    x = 33,254.16

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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.