Home / 79,225.43-118,842.26-20,061.68

Finding the Fourth Proportional to 79,225.43, 118,842.26 and 20,061.68

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Solution

The fourth proportional to 79,225.43, 118,842.26 and 20,061.68 is: 30,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225.43 : 118,842.26 = 20,061.68 : x
  2. Step 2: Convert to fraction form
    79,225.43/118,842.26 = 20,061.68/x
  3. Step 3: Cross multiply
    79,225.43x = 118,842.26 × 20,061.68
  4. Step 4: Simplify right side
    79,225.43x = 2,384,174,696.08
  5. Step 5: Solve for x
    x = 2,384,174,696.08/79,225.43
  6. Step 6: Final answer
    x = 30,093.56

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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.