Home / 74,668.66-111,973.83-33,086.50

Finding the Fourth Proportional to 74,668.66, 111,973.83 and 33,086.50

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Solution

The fourth proportional to 74,668.66, 111,973.83 and 33,086.50 is: 49,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.66 : 111,973.83 = 33,086.50 : x
  2. Step 2: Convert to fraction form
    74,668.66/111,973.83 = 33,086.50/x
  3. Step 3: Cross multiply
    74,668.66x = 111,973.83 × 33,086.50
  4. Step 4: Simplify right side
    74,668.66x = 3,704,822,126.30
  5. Step 5: Solve for x
    x = 3,704,822,126.30/74,668.66
  6. Step 6: Final answer
    x = 49,616.83

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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.