Home / 92,436.50-127,561.92-49,994.12

Finding the Fourth Proportional to 92,436.50, 127,561.92 and 49,994.12

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Solution

The fourth proportional to 92,436.50, 127,561.92 and 49,994.12 is: 68,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,436.50 : 127,561.92 = 49,994.12 : x
  2. Step 2: Convert to fraction form
    92,436.50/127,561.92 = 49,994.12/x
  3. Step 3: Cross multiply
    92,436.50x = 127,561.92 × 49,994.12
  4. Step 4: Simplify right side
    92,436.50x = 6,377,345,935.91
  5. Step 5: Solve for x
    x = 6,377,345,935.91/92,436.50
  6. Step 6: Final answer
    x = 68,991.64

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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.