Home / 91,001.28-136,496.94-27,821.37

Finding the Fourth Proportional to 91,001.28, 136,496.94 and 27,821.37

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Solution

The fourth proportional to 91,001.28, 136,496.94 and 27,821.37 is: 41,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,001.28 : 136,496.94 = 27,821.37 : x
  2. Step 2: Convert to fraction form
    91,001.28/136,496.94 = 27,821.37/x
  3. Step 3: Cross multiply
    91,001.28x = 136,496.94 × 27,821.37
  4. Step 4: Simplify right side
    91,001.28x = 3,797,531,871.61
  5. Step 5: Solve for x
    x = 3,797,531,871.61/91,001.28
  6. Step 6: Final answer
    x = 41,730.53

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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.