Home / 72,711.28-109,008.09-32,700.96

Finding the Fourth Proportional to 72,711.28, 109,008.09 and 32,700.96

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Solution

The fourth proportional to 72,711.28, 109,008.09 and 32,700.96 is: 49,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,711.28 : 109,008.09 = 32,700.96 : x
  2. Step 2: Convert to fraction form
    72,711.28/109,008.09 = 32,700.96/x
  3. Step 3: Cross multiply
    72,711.28x = 109,008.09 × 32,700.96
  4. Step 4: Simplify right side
    72,711.28x = 3,564,669,558.67
  5. Step 5: Solve for x
    x = 3,564,669,558.67/72,711.28
  6. Step 6: Final answer
    x = 49,024.99

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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.