Home / 91,727.44-137,623.94-55,777.04

Finding the Fourth Proportional to 91,727.44, 137,623.94 and 55,777.04

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Solution

The fourth proportional to 91,727.44, 137,623.94 and 55,777.04 is: 83,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727.44 : 137,623.94 = 55,777.04 : x
  2. Step 2: Convert to fraction form
    91,727.44/137,623.94 = 55,777.04/x
  3. Step 3: Cross multiply
    91,727.44x = 137,623.94 × 55,777.04
  4. Step 4: Simplify right side
    91,727.44x = 7,676,256,083.07
  5. Step 5: Solve for x
    x = 7,676,256,083.07/91,727.44
  6. Step 6: Final answer
    x = 83,685.49

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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.