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Finding the Fourth Proportional to 92,694.81, 127,919.05 and 50,253.35

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Solution

The fourth proportional to 92,694.81, 127,919.05 and 50,253.35 is: 69,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,694.81 : 127,919.05 = 50,253.35 : x
  2. Step 2: Convert to fraction form
    92,694.81/127,919.05 = 50,253.35/x
  3. Step 3: Cross multiply
    92,694.81x = 127,919.05 × 50,253.35
  4. Step 4: Simplify right side
    92,694.81x = 6,428,360,026.09
  5. Step 5: Solve for x
    x = 6,428,360,026.09/92,694.81
  6. Step 6: Final answer
    x = 69,349.73

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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.