Home / 66,026.67-91,100.46-39,175.57

Finding the Fourth Proportional to 66,026.67, 91,100.46 and 39,175.57

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Solution

The fourth proportional to 66,026.67, 91,100.46 and 39,175.57 is: 54,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026.67 : 91,100.46 = 39,175.57 : x
  2. Step 2: Convert to fraction form
    66,026.67/91,100.46 = 39,175.57/x
  3. Step 3: Cross multiply
    66,026.67x = 91,100.46 × 39,175.57
  4. Step 4: Simplify right side
    66,026.67x = 3,568,912,447.76
  5. Step 5: Solve for x
    x = 3,568,912,447.76/66,026.67
  6. Step 6: Final answer
    x = 54,052.59

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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.