Home / 66,206.97-91,409.27-51,073.29

Finding the Fourth Proportional to 66,206.97, 91,409.27 and 51,073.29

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Solution

The fourth proportional to 66,206.97, 91,409.27 and 51,073.29 is: 70,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206.97 : 91,409.27 = 51,073.29 : x
  2. Step 2: Convert to fraction form
    66,206.97/91,409.27 = 51,073.29/x
  3. Step 3: Cross multiply
    66,206.97x = 91,409.27 × 51,073.29
  4. Step 4: Simplify right side
    66,206.97x = 4,668,571,900.03
  5. Step 5: Solve for x
    x = 4,668,571,900.03/66,206.97
  6. Step 6: Final answer
    x = 70,514.81

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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.