Home / 78,834.84-108,792.45-43,025.61

Finding the Fourth Proportional to 78,834.84, 108,792.45 and 43,025.61

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Solution

The fourth proportional to 78,834.84, 108,792.45 and 43,025.61 is: 59,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834.84 : 108,792.45 = 43,025.61 : x
  2. Step 2: Convert to fraction form
    78,834.84/108,792.45 = 43,025.61/x
  3. Step 3: Cross multiply
    78,834.84x = 108,792.45 × 43,025.61
  4. Step 4: Simplify right side
    78,834.84x = 4,680,861,524.64
  5. Step 5: Solve for x
    x = 4,680,861,524.64/78,834.84
  6. Step 6: Final answer
    x = 59,375.54

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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.