Home / 89,771.10-134,657.82-43,013.04

Finding the Fourth Proportional to 89,771.10, 134,657.82 and 43,013.04

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Solution

The fourth proportional to 89,771.10, 134,657.82 and 43,013.04 is: 64,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,771.10 : 134,657.82 = 43,013.04 : x
  2. Step 2: Convert to fraction form
    89,771.10/134,657.82 = 43,013.04/x
  3. Step 3: Cross multiply
    89,771.10x = 134,657.82 × 43,013.04
  4. Step 4: Simplify right side
    89,771.10x = 5,792,042,197.97
  5. Step 5: Solve for x
    x = 5,792,042,197.97/89,771.10
  6. Step 6: Final answer
    x = 64,520.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.