Home / 75,068.62-103,632.20-43,231.37

Finding the Fourth Proportional to 75,068.62, 103,632.20 and 43,231.37

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Solution

The fourth proportional to 75,068.62, 103,632.20 and 43,231.37 is: 59,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,068.62 : 103,632.20 = 43,231.37 : x
  2. Step 2: Convert to fraction form
    75,068.62/103,632.20 = 43,231.37/x
  3. Step 3: Cross multiply
    75,068.62x = 103,632.20 × 43,231.37
  4. Step 4: Simplify right side
    75,068.62x = 4,480,161,723.03
  5. Step 5: Solve for x
    x = 4,480,161,723.03/75,068.62
  6. Step 6: Final answer
    x = 59,680.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.