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Finding the Fourth Proportional to 92,883.75, 128,180.84 and 52,596.65

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Solution

The fourth proportional to 92,883.75, 128,180.84 and 52,596.65 is: 72,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.75 : 128,180.84 = 52,596.65 : x
  2. Step 2: Convert to fraction form
    92,883.75/128,180.84 = 52,596.65/x
  3. Step 3: Cross multiply
    92,883.75x = 128,180.84 × 52,596.65
  4. Step 4: Simplify right side
    92,883.75x = 6,741,881,874.30
  5. Step 5: Solve for x
    x = 6,741,881,874.30/92,883.75
  6. Step 6: Final answer
    x = 72,584.08

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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.