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Finding the Fourth Proportional to 92,672.82, 127,902.15 and 58,684.41

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Solution

The fourth proportional to 92,672.82, 127,902.15 and 58,684.41 is: 80,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,672.82 : 127,902.15 = 58,684.41 : x
  2. Step 2: Convert to fraction form
    92,672.82/127,902.15 = 58,684.41/x
  3. Step 3: Cross multiply
    92,672.82x = 127,902.15 × 58,684.41
  4. Step 4: Simplify right side
    92,672.82x = 7,505,862,210.48
  5. Step 5: Solve for x
    x = 7,505,862,210.48/92,672.82
  6. Step 6: Final answer
    x = 80,993.13

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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.