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Finding the Fourth Proportional to 92,483.82, 138,691.71 and 33,303.62

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Solution

The fourth proportional to 92,483.82, 138,691.71 and 33,303.62 is: 49,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,483.82 : 138,691.71 = 33,303.62 : x
  2. Step 2: Convert to fraction form
    92,483.82/138,691.71 = 33,303.62/x
  3. Step 3: Cross multiply
    92,483.82x = 138,691.71 × 33,303.62
  4. Step 4: Simplify right side
    92,483.82x = 4,618,936,006.99
  5. Step 5: Solve for x
    x = 4,618,936,006.99/92,483.82
  6. Step 6: Final answer
    x = 49,943.18

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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.