Home / 78,834.66-108,792.21-43,025.50

Finding the Fourth Proportional to 78,834.66, 108,792.21 and 43,025.50

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Solution

The fourth proportional to 78,834.66, 108,792.21 and 43,025.50 is: 59,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834.66 : 108,792.21 = 43,025.50 : x
  2. Step 2: Convert to fraction form
    78,834.66/108,792.21 = 43,025.50/x
  3. Step 3: Cross multiply
    78,834.66x = 108,792.21 × 43,025.50
  4. Step 4: Simplify right side
    78,834.66x = 4,680,839,231.36
  5. Step 5: Solve for x
    x = 4,680,839,231.36/78,834.66
  6. Step 6: Final answer
    x = 59,375.40

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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.