Home / 66,165.49-99,192.44-28,697.34

Finding the Fourth Proportional to 66,165.49, 99,192.44 and 28,697.34

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Solution

The fourth proportional to 66,165.49, 99,192.44 and 28,697.34 is: 43,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,165.49 : 99,192.44 = 28,697.34 : x
  2. Step 2: Convert to fraction form
    66,165.49/99,192.44 = 28,697.34/x
  3. Step 3: Cross multiply
    66,165.49x = 99,192.44 × 28,697.34
  4. Step 4: Simplify right side
    66,165.49x = 2,846,559,619.82
  5. Step 5: Solve for x
    x = 2,846,559,619.82/66,165.49
  6. Step 6: Final answer
    x = 43,021.82

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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.