Home / 66,668.40-99,993.96-25,110

Finding the Fourth Proportional to 66,668.40, 99,993.96 and 25,110

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Solution

The fourth proportional to 66,668.40, 99,993.96 and 25,110 is: 37,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,668.40 : 99,993.96 = 25,110 : x
  2. Step 2: Convert to fraction form
    66,668.40/99,993.96 = 25,110/x
  3. Step 3: Cross multiply
    66,668.40x = 99,993.96 × 25,110
  4. Step 4: Simplify right side
    66,668.40x = 2,510,848,335.60
  5. Step 5: Solve for x
    x = 2,510,848,335.60/66,668.40
  6. Step 6: Final answer
    x = 37,661.75

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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.