Home / 67,709.12-93,437.44-37,493.80

Finding the Fourth Proportional to 67,709.12, 93,437.44 and 37,493.80

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Solution

The fourth proportional to 67,709.12, 93,437.44 and 37,493.80 is: 51,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,709.12 : 93,437.44 = 37,493.80 : x
  2. Step 2: Convert to fraction form
    67,709.12/93,437.44 = 37,493.80/x
  3. Step 3: Cross multiply
    67,709.12x = 93,437.44 × 37,493.80
  4. Step 4: Simplify right side
    67,709.12x = 3,503,324,687.87
  5. Step 5: Solve for x
    x = 3,503,324,687.87/67,709.12
  6. Step 6: Final answer
    x = 51,740.81

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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.