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Finding the Fourth Proportional to 92,450.59, 127,581.81 and 50,009.11

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Solution

The fourth proportional to 92,450.59, 127,581.81 and 50,009.11 is: 69,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,450.59 : 127,581.81 = 50,009.11 : x
  2. Step 2: Convert to fraction form
    92,450.59/127,581.81 = 50,009.11/x
  3. Step 3: Cross multiply
    92,450.59x = 127,581.81 × 50,009.11
  4. Step 4: Simplify right side
    92,450.59x = 6,380,252,770.29
  5. Step 5: Solve for x
    x = 6,380,252,770.29/92,450.59
  6. Step 6: Final answer
    x = 69,012.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.