Home / 123,369.48-185,067.24-39,141.60

Finding the Fourth Proportional to 123,369.48, 185,067.24 and 39,141.60

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Solution

The fourth proportional to 123,369.48, 185,067.24 and 39,141.60 is: 58,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,369.48 : 185,067.24 = 39,141.60 : x
  2. Step 2: Convert to fraction form
    123,369.48/185,067.24 = 39,141.60/x
  3. Step 3: Cross multiply
    123,369.48x = 185,067.24 × 39,141.60
  4. Step 4: Simplify right side
    123,369.48x = 7,243,827,881.18
  5. Step 5: Solve for x
    x = 7,243,827,881.18/123,369.48
  6. Step 6: Final answer
    x = 58,716.53

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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.