Home / 78,834.78-108,792.33-43,025.55

Finding the Fourth Proportional to 78,834.78, 108,792.33 and 43,025.55

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Solution

The fourth proportional to 78,834.78, 108,792.33 and 43,025.55 is: 59,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834.78 : 108,792.33 = 43,025.55 : x
  2. Step 2: Convert to fraction form
    78,834.78/108,792.33 = 43,025.55/x
  3. Step 3: Cross multiply
    78,834.78x = 108,792.33 × 43,025.55
  4. Step 4: Simplify right side
    78,834.78x = 4,680,849,834.03
  5. Step 5: Solve for x
    x = 4,680,849,834.03/78,834.78
  6. Step 6: Final answer
    x = 59,375.44

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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.