Home / 67,321.05-92,903.70-37,107.56

Finding the Fourth Proportional to 67,321.05, 92,903.70 and 37,107.56

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Solution

The fourth proportional to 67,321.05, 92,903.70 and 37,107.56 is: 51,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,321.05 : 92,903.70 = 37,107.56 : x
  2. Step 2: Convert to fraction form
    67,321.05/92,903.70 = 37,107.56/x
  3. Step 3: Cross multiply
    67,321.05x = 92,903.70 × 37,107.56
  4. Step 4: Simplify right side
    67,321.05x = 3,447,429,157.45
  5. Step 5: Solve for x
    x = 3,447,429,157.45/67,321.05
  6. Step 6: Final answer
    x = 51,208.78

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1.5x scale

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.