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Finding the Fourth Proportional to 92,322.37, 127,404.93 and 49,880.94

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Solution

The fourth proportional to 92,322.37, 127,404.93 and 49,880.94 is: 68,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,322.37 : 127,404.93 = 49,880.94 : x
  2. Step 2: Convert to fraction form
    92,322.37/127,404.93 = 49,880.94/x
  3. Step 3: Cross multiply
    92,322.37x = 127,404.93 × 49,880.94
  4. Step 4: Simplify right side
    92,322.37x = 6,355,077,669.03
  5. Step 5: Solve for x
    x = 6,355,077,669.03/92,322.37
  6. Step 6: Final answer
    x = 68,835.73

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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.