Home / 74,383.69-111,589.65-24,478.06

Finding the Fourth Proportional to 74,383.69, 111,589.65 and 24,478.06

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Solution

The fourth proportional to 74,383.69, 111,589.65 and 24,478.06 is: 36,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,383.69 : 111,589.65 = 24,478.06 : x
  2. Step 2: Convert to fraction form
    74,383.69/111,589.65 = 24,478.06/x
  3. Step 3: Cross multiply
    74,383.69x = 111,589.65 × 24,478.06
  4. Step 4: Simplify right side
    74,383.69x = 2,731,498,148.08
  5. Step 5: Solve for x
    x = 2,731,498,148.08/74,383.69
  6. Step 6: Final answer
    x = 36,721.73

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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.