Home / 66,769.45-99,676.97-64,433.12

Finding the Fourth Proportional to 66,769.45, 99,676.97 and 64,433.12

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Solution

The fourth proportional to 66,769.45, 99,676.97 and 64,433.12 is: 96,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,769.45 : 99,676.97 = 64,433.12 : x
  2. Step 2: Convert to fraction form
    66,769.45/99,676.97 = 64,433.12/x
  3. Step 3: Cross multiply
    66,769.45x = 99,676.97 × 64,433.12
  4. Step 4: Simplify right side
    66,769.45x = 6,422,498,060.39
  5. Step 5: Solve for x
    x = 6,422,498,060.39/66,769.45
  6. Step 6: Final answer
    x = 96,189.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.