Home / 125,349.73-187,987.33-36,579.40

Finding the Fourth Proportional to 125,349.73, 187,987.33 and 36,579.40

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Solution

The fourth proportional to 125,349.73, 187,987.33 and 36,579.40 is: 54,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,349.73 : 187,987.33 = 36,579.40 : x
  2. Step 2: Convert to fraction form
    125,349.73/187,987.33 = 36,579.40/x
  3. Step 3: Cross multiply
    125,349.73x = 187,987.33 × 36,579.40
  4. Step 4: Simplify right side
    125,349.73x = 6,876,463,739.00
  5. Step 5: Solve for x
    x = 6,876,463,739.00/125,349.73
  6. Step 6: Final answer
    x = 54,858.23

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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.