Home / 66,853.12-92,258.49-36,636.43

Finding the Fourth Proportional to 66,853.12, 92,258.49 and 36,636.43

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Solution

The fourth proportional to 66,853.12, 92,258.49 and 36,636.43 is: 50,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,853.12 : 92,258.49 = 36,636.43 : x
  2. Step 2: Convert to fraction form
    66,853.12/92,258.49 = 36,636.43/x
  3. Step 3: Cross multiply
    66,853.12x = 92,258.49 × 36,636.43
  4. Step 4: Simplify right side
    66,853.12x = 3,380,021,710.79
  5. Step 5: Solve for x
    x = 3,380,021,710.79/66,853.12
  6. Step 6: Final answer
    x = 50,558.92

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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.