Home / 91,079.56-136,628.44-27,898.95

Finding the Fourth Proportional to 91,079.56, 136,628.44 and 27,898.95

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Solution

The fourth proportional to 91,079.56, 136,628.44 and 27,898.95 is: 41,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,079.56 : 136,628.44 = 27,898.95 : x
  2. Step 2: Convert to fraction form
    91,079.56/136,628.44 = 27,898.95/x
  3. Step 3: Cross multiply
    91,079.56x = 136,628.44 × 27,898.95
  4. Step 4: Simplify right side
    91,079.56x = 3,811,789,847.14
  5. Step 5: Solve for x
    x = 3,811,789,847.14/91,079.56
  6. Step 6: Final answer
    x = 41,851.21

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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.