Home / 92,521.20-138,696.75-33,342.39

Finding the Fourth Proportional to 92,521.20, 138,696.75 and 33,342.39

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Solution

The fourth proportional to 92,521.20, 138,696.75 and 33,342.39 is: 49,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,521.20 : 138,696.75 = 33,342.39 : x
  2. Step 2: Convert to fraction form
    92,521.20/138,696.75 = 33,342.39/x
  3. Step 3: Cross multiply
    92,521.20x = 138,696.75 × 33,342.39
  4. Step 4: Simplify right side
    92,521.20x = 4,624,481,130.23
  5. Step 5: Solve for x
    x = 4,624,481,130.23/92,521.20
  6. Step 6: Final answer
    x = 49,982.94

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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.