Home / 49,711.20-74,457.45-43,150.20

Finding the Fourth Proportional to 49,711.20, 74,457.45 and 43,150.20

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Solution

The fourth proportional to 49,711.20, 74,457.45 and 43,150.20 is: 64,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,711.20 : 74,457.45 = 43,150.20 : x
  2. Step 2: Convert to fraction form
    49,711.20/74,457.45 = 43,150.20/x
  3. Step 3: Cross multiply
    49,711.20x = 74,457.45 × 43,150.20
  4. Step 4: Simplify right side
    49,711.20x = 3,212,853,858.99
  5. Step 5: Solve for x
    x = 3,212,853,858.99/49,711.20
  6. Step 6: Final answer
    x = 64,630.38

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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.