Home / 49,231.20-73,854.90-21,164.70

Finding the Fourth Proportional to 49,231.20, 73,854.90 and 21,164.70

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Solution

The fourth proportional to 49,231.20, 73,854.90 and 21,164.70 is: 31,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231.20 : 73,854.90 = 21,164.70 : x
  2. Step 2: Convert to fraction form
    49,231.20/73,854.90 = 21,164.70/x
  3. Step 3: Cross multiply
    49,231.20x = 73,854.90 × 21,164.70
  4. Step 4: Simplify right side
    49,231.20x = 1,563,116,802.03
  5. Step 5: Solve for x
    x = 1,563,116,802.03/49,231.20
  6. Step 6: Final answer
    x = 31,750.53

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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.