Home / 67,770.44-93,520.70-39,091.29

Finding the Fourth Proportional to 67,770.44, 93,520.70 and 39,091.29

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Solution

The fourth proportional to 67,770.44, 93,520.70 and 39,091.29 is: 53,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,770.44 : 93,520.70 = 39,091.29 : x
  2. Step 2: Convert to fraction form
    67,770.44/93,520.70 = 39,091.29/x
  3. Step 3: Cross multiply
    67,770.44x = 93,520.70 × 39,091.29
  4. Step 4: Simplify right side
    67,770.44x = 3,655,844,141.64
  5. Step 5: Solve for x
    x = 3,655,844,141.64/67,770.44
  6. Step 6: Final answer
    x = 53,944.52

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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.