Home / 71,176.72-106,778.08-23,787.32

Finding the Fourth Proportional to 71,176.72, 106,778.08 and 23,787.32

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Solution

The fourth proportional to 71,176.72, 106,778.08 and 23,787.32 is: 35,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.72 : 106,778.08 = 23,787.32 : x
  2. Step 2: Convert to fraction form
    71,176.72/106,778.08 = 23,787.32/x
  3. Step 3: Cross multiply
    71,176.72x = 106,778.08 × 23,787.32
  4. Step 4: Simplify right side
    71,176.72x = 2,539,964,357.95
  5. Step 5: Solve for x
    x = 2,539,964,357.95/71,176.72
  6. Step 6: Final answer
    x = 35,685.32

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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.