Home / 91,630.53-137,395.80-27,579.33

Finding the Fourth Proportional to 91,630.53, 137,395.80 and 27,579.33

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Solution

The fourth proportional to 91,630.53, 137,395.80 and 27,579.33 is: 41,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,630.53 : 137,395.80 = 27,579.33 : x
  2. Step 2: Convert to fraction form
    91,630.53/137,395.80 = 27,579.33/x
  3. Step 3: Cross multiply
    91,630.53x = 137,395.80 × 27,579.33
  4. Step 4: Simplify right side
    91,630.53x = 3,789,284,108.81
  5. Step 5: Solve for x
    x = 3,789,284,108.81/91,630.53
  6. Step 6: Final answer
    x = 41,353.95

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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.