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Finding the Fourth Proportional to 92,369.29, 127,469.54 and 49,927.82

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Solution

The fourth proportional to 92,369.29, 127,469.54 and 49,927.82 is: 68,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,369.29 : 127,469.54 = 49,927.82 : x
  2. Step 2: Convert to fraction form
    92,369.29/127,469.54 = 49,927.82/x
  3. Step 3: Cross multiply
    92,369.29x = 127,469.54 × 49,927.82
  4. Step 4: Simplify right side
    92,369.29x = 6,364,276,248.60
  5. Step 5: Solve for x
    x = 6,364,276,248.60/92,369.29
  6. Step 6: Final answer
    x = 68,900.35

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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.