Home / 95,817.69-143,853.70-81,867.36

Finding the Fourth Proportional to 95,817.69, 143,853.70 and 81,867.36

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Solution

The fourth proportional to 95,817.69, 143,853.70 and 81,867.36 is: 122,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,817.69 : 143,853.70 = 81,867.36 : x
  2. Step 2: Convert to fraction form
    95,817.69/143,853.70 = 81,867.36/x
  3. Step 3: Cross multiply
    95,817.69x = 143,853.70 × 81,867.36
  4. Step 4: Simplify right side
    95,817.69x = 11,776,922,645.23
  5. Step 5: Solve for x
    x = 11,776,922,645.23/95,817.69
  6. Step 6: Final answer
    x = 122,909.69

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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.