Home / 66,548.93-99,710.66-40,198.32

Finding the Fourth Proportional to 66,548.93, 99,710.66 and 40,198.32

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Solution

The fourth proportional to 66,548.93, 99,710.66 and 40,198.32 is: 60,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.93 : 99,710.66 = 40,198.32 : x
  2. Step 2: Convert to fraction form
    66,548.93/99,710.66 = 40,198.32/x
  3. Step 3: Cross multiply
    66,548.93x = 99,710.66 × 40,198.32
  4. Step 4: Simplify right side
    66,548.93x = 4,008,200,817.10
  5. Step 5: Solve for x
    x = 4,008,200,817.10/66,548.93
  6. Step 6: Final answer
    x = 60,229.38

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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.