Home / 78,297.16-108,042.78-44,308.75

Finding the Fourth Proportional to 78,297.16, 108,042.78 and 44,308.75

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Solution

The fourth proportional to 78,297.16, 108,042.78 and 44,308.75 is: 61,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,297.16 : 108,042.78 = 44,308.75 : x
  2. Step 2: Convert to fraction form
    78,297.16/108,042.78 = 44,308.75/x
  3. Step 3: Cross multiply
    78,297.16x = 108,042.78 × 44,308.75
  4. Step 4: Simplify right side
    78,297.16x = 4,787,240,528.33
  5. Step 5: Solve for x
    x = 4,787,240,528.33/78,297.16
  6. Step 6: Final answer
    x = 61,141.94

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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.