Home / 67,905.20-93,708.25-37,690.44

Finding the Fourth Proportional to 67,905.20, 93,708.25 and 37,690.44

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Solution

The fourth proportional to 67,905.20, 93,708.25 and 37,690.44 is: 52,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,905.20 : 93,708.25 = 37,690.44 : x
  2. Step 2: Convert to fraction form
    67,905.20/93,708.25 = 37,690.44/x
  3. Step 3: Cross multiply
    67,905.20x = 93,708.25 × 37,690.44
  4. Step 4: Simplify right side
    67,905.20x = 3,531,905,174.13
  5. Step 5: Solve for x
    x = 3,531,905,174.13/67,905.20
  6. Step 6: Final answer
    x = 52,012.29

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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.