Home / 78,960.33-118,419.97-22,787.91

Finding the Fourth Proportional to 78,960.33, 118,419.97 and 22,787.91

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Solution

The fourth proportional to 78,960.33, 118,419.97 and 22,787.91 is: 34,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,960.33 : 118,419.97 = 22,787.91 : x
  2. Step 2: Convert to fraction form
    78,960.33/118,419.97 = 22,787.91/x
  3. Step 3: Cross multiply
    78,960.33x = 118,419.97 × 22,787.91
  4. Step 4: Simplify right side
    78,960.33x = 2,698,543,618.56
  5. Step 5: Solve for x
    x = 2,698,543,618.56/78,960.33
  6. Step 6: Final answer
    x = 34,175.94

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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.