Home / 66,207.53-99,178.33-30,618.97

Finding the Fourth Proportional to 66,207.53, 99,178.33 and 30,618.97

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Solution

The fourth proportional to 66,207.53, 99,178.33 and 30,618.97 is: 45,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.53 : 99,178.33 = 30,618.97 : x
  2. Step 2: Convert to fraction form
    66,207.53/99,178.33 = 30,618.97/x
  3. Step 3: Cross multiply
    66,207.53x = 99,178.33 × 30,618.97
  4. Step 4: Simplify right side
    66,207.53x = 3,036,738,310.92
  5. Step 5: Solve for x
    x = 3,036,738,310.92/66,207.53
  6. Step 6: Final answer
    x = 45,866.96

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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.