Home / 79,620.38-119,446.23-26,310.21

Finding the Fourth Proportional to 79,620.38, 119,446.23 and 26,310.21

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Solution

The fourth proportional to 79,620.38, 119,446.23 and 26,310.21 is: 39,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,620.38 : 119,446.23 = 26,310.21 : x
  2. Step 2: Convert to fraction form
    79,620.38/119,446.23 = 26,310.21/x
  3. Step 3: Cross multiply
    79,620.38x = 119,446.23 × 26,310.21
  4. Step 4: Simplify right side
    79,620.38x = 3,142,655,096.39
  5. Step 5: Solve for x
    x = 3,142,655,096.39/79,620.38
  6. Step 6: Final answer
    x = 39,470.49

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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.