Home / 66,464.12-91,668.62-42,593.01

Finding the Fourth Proportional to 66,464.12, 91,668.62 and 42,593.01

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Solution

The fourth proportional to 66,464.12, 91,668.62 and 42,593.01 is: 58,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.12 : 91,668.62 = 42,593.01 : x
  2. Step 2: Convert to fraction form
    66,464.12/91,668.62 = 42,593.01/x
  3. Step 3: Cross multiply
    66,464.12x = 91,668.62 × 42,593.01
  4. Step 4: Simplify right side
    66,464.12x = 3,904,442,235.38
  5. Step 5: Solve for x
    x = 3,904,442,235.38/66,464.12
  6. Step 6: Final answer
    x = 58,745.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.