Home / 72,811.08-109,221.56-24,760.12

Finding the Fourth Proportional to 72,811.08, 109,221.56 and 24,760.12

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Solution

The fourth proportional to 72,811.08, 109,221.56 and 24,760.12 is: 37,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,811.08 : 109,221.56 = 24,760.12 : x
  2. Step 2: Convert to fraction form
    72,811.08/109,221.56 = 24,760.12/x
  3. Step 3: Cross multiply
    72,811.08x = 109,221.56 × 24,760.12
  4. Step 4: Simplify right side
    72,811.08x = 2,704,338,932.19
  5. Step 5: Solve for x
    x = 2,704,338,932.19/72,811.08
  6. Step 6: Final answer
    x = 37,141.86

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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.