Home / 91,955.75-137,934.07-27,914.45

Finding the Fourth Proportional to 91,955.75, 137,934.07 and 27,914.45

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Solution

The fourth proportional to 91,955.75, 137,934.07 and 27,914.45 is: 41,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,955.75 : 137,934.07 = 27,914.45 : x
  2. Step 2: Convert to fraction form
    91,955.75/137,934.07 = 27,914.45/x
  3. Step 3: Cross multiply
    91,955.75x = 137,934.07 × 27,914.45
  4. Step 4: Simplify right side
    91,955.75x = 3,850,352,940.86
  5. Step 5: Solve for x
    x = 3,850,352,940.86/91,955.75
  6. Step 6: Final answer
    x = 41,871.80

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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.