Home / 67,251.09-92,817.60-51,305.43

Finding the Fourth Proportional to 67,251.09, 92,817.60 and 51,305.43

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Solution

The fourth proportional to 67,251.09, 92,817.60 and 51,305.43 is: 70,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,251.09 : 92,817.60 = 51,305.43 : x
  2. Step 2: Convert to fraction form
    67,251.09/92,817.60 = 51,305.43/x
  3. Step 3: Cross multiply
    67,251.09x = 92,817.60 × 51,305.43
  4. Step 4: Simplify right side
    67,251.09x = 4,762,046,879.57
  5. Step 5: Solve for x
    x = 4,762,046,879.57/67,251.09
  6. Step 6: Final answer
    x = 70,809.96

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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.