Home / 79,253.25-109,380.68-49,048.31

Finding the Fourth Proportional to 79,253.25, 109,380.68 and 49,048.31

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Solution

The fourth proportional to 79,253.25, 109,380.68 and 49,048.31 is: 67,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,253.25 : 109,380.68 = 49,048.31 : x
  2. Step 2: Convert to fraction form
    79,253.25/109,380.68 = 49,048.31/x
  3. Step 3: Cross multiply
    79,253.25x = 109,380.68 × 49,048.31
  4. Step 4: Simplify right side
    79,253.25x = 5,364,936,708.51
  5. Step 5: Solve for x
    x = 5,364,936,708.51/79,253.25
  6. Step 6: Final answer
    x = 67,693.59

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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.