Home / 67,734.25-93,474.65-40,538.45

Finding the Fourth Proportional to 67,734.25, 93,474.65 and 40,538.45

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Solution

The fourth proportional to 67,734.25, 93,474.65 and 40,538.45 is: 55,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,734.25 : 93,474.65 = 40,538.45 : x
  2. Step 2: Convert to fraction form
    67,734.25/93,474.65 = 40,538.45/x
  3. Step 3: Cross multiply
    67,734.25x = 93,474.65 × 40,538.45
  4. Step 4: Simplify right side
    67,734.25x = 3,789,317,760.33
  5. Step 5: Solve for x
    x = 3,789,317,760.33/67,734.25
  6. Step 6: Final answer
    x = 55,943.90

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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.