Home / 119,555.80-164,949.82-67,864.43

Finding the Fourth Proportional to 119,555.80, 164,949.82 and 67,864.43

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Solution

The fourth proportional to 119,555.80, 164,949.82 and 67,864.43 is: 93,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555.80 : 164,949.82 = 67,864.43 : x
  2. Step 2: Convert to fraction form
    119,555.80/164,949.82 = 67,864.43/x
  3. Step 3: Cross multiply
    119,555.80x = 164,949.82 × 67,864.43
  4. Step 4: Simplify right side
    119,555.80x = 11,194,225,755.62
  5. Step 5: Solve for x
    x = 11,194,225,755.62/119,555.80
  6. Step 6: Final answer
    x = 93,631.81

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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.