Home / 66,126.57-91,252.16-35,911.25

Finding the Fourth Proportional to 66,126.57, 91,252.16 and 35,911.25

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Solution

The fourth proportional to 66,126.57, 91,252.16 and 35,911.25 is: 49,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.57 : 91,252.16 = 35,911.25 : x
  2. Step 2: Convert to fraction form
    66,126.57/91,252.16 = 35,911.25/x
  3. Step 3: Cross multiply
    66,126.57x = 91,252.16 × 35,911.25
  4. Step 4: Simplify right side
    66,126.57x = 3,276,978,494.98
  5. Step 5: Solve for x
    x = 3,276,978,494.98/66,126.57
  6. Step 6: Final answer
    x = 49,556.15

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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.