Home / 91,116.14-125,754.12-55,299.22

Finding the Fourth Proportional to 91,116.14, 125,754.12 and 55,299.22

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Solution

The fourth proportional to 91,116.14, 125,754.12 and 55,299.22 is: 76,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,116.14 : 125,754.12 = 55,299.22 : x
  2. Step 2: Convert to fraction form
    91,116.14/125,754.12 = 55,299.22/x
  3. Step 3: Cross multiply
    91,116.14x = 125,754.12 × 55,299.22
  4. Step 4: Simplify right side
    91,116.14x = 6,954,104,747.79
  5. Step 5: Solve for x
    x = 6,954,104,747.79/91,116.14
  6. Step 6: Final answer
    x = 76,321.33

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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.