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Finding the Fourth Proportional to 92,435.92, 127,561.55 and 49,994.44

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Solution

The fourth proportional to 92,435.92, 127,561.55 and 49,994.44 is: 68,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,435.92 : 127,561.55 = 49,994.44 : x
  2. Step 2: Convert to fraction form
    92,435.92/127,561.55 = 49,994.44/x
  3. Step 3: Cross multiply
    92,435.92x = 127,561.55 × 49,994.44
  4. Step 4: Simplify right side
    92,435.92x = 6,377,367,688.91
  5. Step 5: Solve for x
    x = 6,377,367,688.91/92,435.92
  6. Step 6: Final answer
    x = 68,992.31

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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.