Home / 45,043.68-67,562.76-13,453.83

Finding the Fourth Proportional to 45,043.68, 67,562.76 and 13,453.83

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Solution

The fourth proportional to 45,043.68, 67,562.76 and 13,453.83 is: 20,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.68 : 67,562.76 = 13,453.83 : x
  2. Step 2: Convert to fraction form
    45,043.68/67,562.76 = 13,453.83/x
  3. Step 3: Cross multiply
    45,043.68x = 67,562.76 × 13,453.83
  4. Step 4: Simplify right side
    45,043.68x = 908,977,887.37
  5. Step 5: Solve for x
    x = 908,977,887.37/45,043.68
  6. Step 6: Final answer
    x = 20,179.92

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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.