Home / 66,548.21-99,773.09-40,247.10

Finding the Fourth Proportional to 66,548.21, 99,773.09 and 40,247.10

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Solution

The fourth proportional to 66,548.21, 99,773.09 and 40,247.10 is: 60,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.21 : 99,773.09 = 40,247.10 : x
  2. Step 2: Convert to fraction form
    66,548.21/99,773.09 = 40,247.10/x
  3. Step 3: Cross multiply
    66,548.21x = 99,773.09 × 40,247.10
  4. Step 4: Simplify right side
    66,548.21x = 4,015,577,530.54
  5. Step 5: Solve for x
    x = 4,015,577,530.54/66,548.21
  6. Step 6: Final answer
    x = 60,340.88

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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.