Home / 74,594.13-111,937.83-30,221.11

Finding the Fourth Proportional to 74,594.13, 111,937.83 and 30,221.11

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Solution

The fourth proportional to 74,594.13, 111,937.83 and 30,221.11 is: 45,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,594.13 : 111,937.83 = 30,221.11 : x
  2. Step 2: Convert to fraction form
    74,594.13/111,937.83 = 30,221.11/x
  3. Step 3: Cross multiply
    74,594.13x = 111,937.83 × 30,221.11
  4. Step 4: Simplify right side
    74,594.13x = 3,382,885,473.59
  5. Step 5: Solve for x
    x = 3,382,885,473.59/74,594.13
  6. Step 6: Final answer
    x = 45,350.56

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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.