Home / 95,786.84-143,807.48-81,836.52

Finding the Fourth Proportional to 95,786.84, 143,807.48 and 81,836.52

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Solution

The fourth proportional to 95,786.84, 143,807.48 and 81,836.52 is: 122,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,786.84 : 143,807.48 = 81,836.52 : x
  2. Step 2: Convert to fraction form
    95,786.84/143,807.48 = 81,836.52/x
  3. Step 3: Cross multiply
    95,786.84x = 143,807.48 × 81,836.52
  4. Step 4: Simplify right side
    95,786.84x = 11,768,703,713.17
  5. Step 5: Solve for x
    x = 11,768,703,713.17/95,786.84
  6. Step 6: Final answer
    x = 122,863.47

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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.