Home / 66,935.08-92,193.04-49,884.78

Finding the Fourth Proportional to 66,935.08, 92,193.04 and 49,884.78

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Solution

The fourth proportional to 66,935.08, 92,193.04 and 49,884.78 is: 68,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.08 : 92,193.04 = 49,884.78 : x
  2. Step 2: Convert to fraction form
    66,935.08/92,193.04 = 49,884.78/x
  3. Step 3: Cross multiply
    66,935.08x = 92,193.04 × 49,884.78
  4. Step 4: Simplify right side
    66,935.08x = 4,599,029,393.22
  5. Step 5: Solve for x
    x = 4,599,029,393.22/66,935.08
  6. Step 6: Final answer
    x = 68,708.81

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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.