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Finding the Fourth Proportional to 68,951.30, 95,149.58 and 38,322.98

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Solution

The fourth proportional to 68,951.30, 95,149.58 and 38,322.98 is: 52,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.30 : 95,149.58 = 38,322.98 : x
  2. Step 2: Convert to fraction form
    68,951.30/95,149.58 = 38,322.98/x
  3. Step 3: Cross multiply
    68,951.30x = 95,149.58 × 38,322.98
  4. Step 4: Simplify right side
    68,951.30x = 3,646,415,451.35
  5. Step 5: Solve for x
    x = 3,646,415,451.35/68,951.30
  6. Step 6: Final answer
    x = 52,883.93

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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.