Home / 118,839.33-164,002.79-67,860.36

Finding the Fourth Proportional to 118,839.33, 164,002.79 and 67,860.36

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Solution

The fourth proportional to 118,839.33, 164,002.79 and 67,860.36 is: 93,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,839.33 : 164,002.79 = 67,860.36 : x
  2. Step 2: Convert to fraction form
    118,839.33/164,002.79 = 67,860.36/x
  3. Step 3: Cross multiply
    118,839.33x = 164,002.79 × 67,860.36
  4. Step 4: Simplify right side
    118,839.33x = 11,129,288,370.40
  5. Step 5: Solve for x
    x = 11,129,288,370.40/118,839.33
  6. Step 6: Final answer
    x = 93,649.87

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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.