Home / 115,765.01-159,705.03-67,996.83

Finding the Fourth Proportional to 115,765.01, 159,705.03 and 67,996.83

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Solution

The fourth proportional to 115,765.01, 159,705.03 and 67,996.83 is: 93,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,765.01 : 159,705.03 = 67,996.83 : x
  2. Step 2: Convert to fraction form
    115,765.01/159,705.03 = 67,996.83/x
  3. Step 3: Cross multiply
    115,765.01x = 159,705.03 × 67,996.83
  4. Step 4: Simplify right side
    115,765.01x = 10,859,435,775.05
  5. Step 5: Solve for x
    x = 10,859,435,775.05/115,765.01
  6. Step 6: Final answer
    x = 93,805.86

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1.5x scale

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.