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Finding the Fourth Proportional to 92,304.63, 127,380.39 and 49,863.16

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Solution

The fourth proportional to 92,304.63, 127,380.39 and 49,863.16 is: 68,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,304.63 : 127,380.39 = 49,863.16 : x
  2. Step 2: Convert to fraction form
    92,304.63/127,380.39 = 49,863.16/x
  3. Step 3: Cross multiply
    92,304.63x = 127,380.39 × 49,863.16
  4. Step 4: Simplify right side
    92,304.63x = 6,351,588,518.12
  5. Step 5: Solve for x
    x = 6,351,588,518.12/92,304.63
  6. Step 6: Final answer
    x = 68,811.16

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1.5x scale

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.