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Finding the Fourth Proportional to 67,373.10, 92,922.39 and 43,505.64

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Solution

The fourth proportional to 67,373.10, 92,922.39 and 43,505.64 is: 60,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,373.10 : 92,922.39 = 43,505.64 : x
  2. Step 2: Convert to fraction form
    67,373.10/92,922.39 = 43,505.64/x
  3. Step 3: Cross multiply
    67,373.10x = 92,922.39 × 43,505.64
  4. Step 4: Simplify right side
    67,373.10x = 4,042,648,047.28
  5. Step 5: Solve for x
    x = 4,042,648,047.28/67,373.10
  6. Step 6: Final answer
    x = 60,003.89

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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.