Home / 78,463.57-117,750.93-34,103.29

Finding the Fourth Proportional to 78,463.57, 117,750.93 and 34,103.29

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Solution

The fourth proportional to 78,463.57, 117,750.93 and 34,103.29 is: 51,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,463.57 : 117,750.93 = 34,103.29 : x
  2. Step 2: Convert to fraction form
    78,463.57/117,750.93 = 34,103.29/x
  3. Step 3: Cross multiply
    78,463.57x = 117,750.93 × 34,103.29
  4. Step 4: Simplify right side
    78,463.57x = 4,015,694,113.56
  5. Step 5: Solve for x
    x = 4,015,694,113.56/78,463.57
  6. Step 6: Final answer
    x = 51,179.09

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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.