Home / 91,080.56-136,629.94-27,899.95

Finding the Fourth Proportional to 91,080.56, 136,629.94 and 27,899.95

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Solution

The fourth proportional to 91,080.56, 136,629.94 and 27,899.95 is: 41,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,080.56 : 136,629.94 = 27,899.95 : x
  2. Step 2: Convert to fraction form
    91,080.56/136,629.94 = 27,899.95/x
  3. Step 3: Cross multiply
    91,080.56x = 136,629.94 × 27,899.95
  4. Step 4: Simplify right side
    91,080.56x = 3,811,968,494.50
  5. Step 5: Solve for x
    x = 3,811,968,494.50/91,080.56
  6. Step 6: Final answer
    x = 41,852.71

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1.5x scale

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.