Home / 75,016.73-103,532.87-43,186.97

Finding the Fourth Proportional to 75,016.73, 103,532.87 and 43,186.97

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Solution

The fourth proportional to 75,016.73, 103,532.87 and 43,186.97 is: 59,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.73 : 103,532.87 = 43,186.97 : x
  2. Step 2: Convert to fraction form
    75,016.73/103,532.87 = 43,186.97/x
  3. Step 3: Cross multiply
    75,016.73x = 103,532.87 × 43,186.97
  4. Step 4: Simplify right side
    75,016.73x = 4,471,270,950.70
  5. Step 5: Solve for x
    x = 4,471,270,950.70/75,016.73
  6. Step 6: Final answer
    x = 59,603.65

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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.