Home / 96,063.39-143,799.81-81,891.63

Finding the Fourth Proportional to 96,063.39, 143,799.81 and 81,891.63

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Solution

The fourth proportional to 96,063.39, 143,799.81 and 81,891.63 is: 122,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,063.39 : 143,799.81 = 81,891.63 : x
  2. Step 2: Convert to fraction form
    96,063.39/143,799.81 = 81,891.63/x
  3. Step 3: Cross multiply
    96,063.39x = 143,799.81 × 81,891.63
  4. Step 4: Simplify right side
    96,063.39x = 11,776,000,834.59
  5. Step 5: Solve for x
    x = 11,776,000,834.59/96,063.39
  6. Step 6: Final answer
    x = 122,585.73

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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.