Home / 72,371.12-108,563.56-22,451.76

Finding the Fourth Proportional to 72,371.12, 108,563.56 and 22,451.76

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Solution

The fourth proportional to 72,371.12, 108,563.56 and 22,451.76 is: 33,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,371.12 : 108,563.56 = 22,451.76 : x
  2. Step 2: Convert to fraction form
    72,371.12/108,563.56 = 22,451.76/x
  3. Step 3: Cross multiply
    72,371.12x = 108,563.56 × 22,451.76
  4. Step 4: Simplify right side
    72,371.12x = 2,437,442,993.87
  5. Step 5: Solve for x
    x = 2,437,442,993.87/72,371.12
  6. Step 6: Final answer
    x = 33,679.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.