Home / 74,500.66-111,824.43-54,723.70

Finding the Fourth Proportional to 74,500.66, 111,824.43 and 54,723.70

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Solution

The fourth proportional to 74,500.66, 111,824.43 and 54,723.70 is: 82,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,500.66 : 111,824.43 = 54,723.70 : x
  2. Step 2: Convert to fraction form
    74,500.66/111,824.43 = 54,723.70/x
  3. Step 3: Cross multiply
    74,500.66x = 111,824.43 × 54,723.70
  4. Step 4: Simplify right side
    74,500.66x = 6,119,446,559.99
  5. Step 5: Solve for x
    x = 6,119,446,559.99/74,500.66
  6. Step 6: Final answer
    x = 82,139.49

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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.