Home / 96,062.39-143,798.31-81,890.63

Finding the Fourth Proportional to 96,062.39, 143,798.31 and 81,890.63

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Solution

The fourth proportional to 96,062.39, 143,798.31 and 81,890.63 is: 122,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,062.39 : 143,798.31 = 81,890.63 : x
  2. Step 2: Convert to fraction form
    96,062.39/143,798.31 = 81,890.63/x
  3. Step 3: Cross multiply
    96,062.39x = 143,798.31 × 81,890.63
  4. Step 4: Simplify right side
    96,062.39x = 11,775,733,479.84
  5. Step 5: Solve for x
    x = 11,775,733,479.84/96,062.39
  6. Step 6: Final answer
    x = 122,584.23

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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.